diff --git a/package.json b/package.json
index 5bc16cab..53cf85d4 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "fix": "npm run lint -- --fix",
     "lint": "tslint --project . --format stylish",
     "prepublish": "npm run build",
+    "prettier": "prettier --write 'src/**/*.ts'",
     "test": "jest",
     "test-ci": "npm run build && jest",
     "watch": "npm run build -- --watch"
@@ -47,9 +48,12 @@
     "fs-extra": "^6.0.1",
     "jest": "^23.1.0",
     "jest-runner-tslint": "^1.0.5",
+    "prettier": "1.13.5",
     "rimraf": "^2.5.4",
     "ts-jest": "^22.4.6",
     "tslint": "^5.10.0",
+    "tslint-config-prettier": "^1.13.0",
+    "tslint-plugin-prettier": "^1.3.0",
     "typescript": "^2.9.2"
   },
   "engines": {
@@ -89,9 +93,19 @@
       {
         "runner": "jest-runner-tslint",
         "displayName": "lint",
-        "moduleFileExtensions": ["ts"],
-        "testMatch": ["<rootDir>/src/**/*.ts"]
+        "moduleFileExtensions": [
+          "ts"
+        ],
+        "testMatch": [
+          "<rootDir>/src/**/*.ts"
+        ]
       }
     ]
+  },
+  "prettier": {
+    "printWidth": 120,
+    "tabWidth": 2,
+    "singleQuote": false,
+    "trailingComma": "es5"
   }
 }
diff --git a/src/changelog.spec.ts b/src/changelog.spec.ts
index cb14d705..652ceb88 100644
--- a/src/changelog.spec.ts
+++ b/src/changelog.spec.ts
@@ -47,18 +47,33 @@ describe("Changelog", () => {
           summary: "chore(release): releasing component",
           date: "2017-01-01",
         },
-        { sha: "a0000004", refName: "", summary: "Merge pull request #2 from my-feature", date: "2017-01-01" },
-        { sha: "a0000003", refName: "", summary: "feat(module) Add new module (#2)", date: "2017-01-01" },
-        { sha: "a0000002", refName: "", summary: "refactor(module) Simplify implementation", date: "2017-01-01" },
-        { sha: "a0000001", refName: "tag: v0.1.0", summary: "chore(release): releasing component", date: "2017-01-01" },
+        {
+          sha: "a0000004",
+          refName: "",
+          summary: "Merge pull request #2 from my-feature",
+          date: "2017-01-01",
+        },
+        {
+          sha: "a0000003",
+          refName: "",
+          summary: "feat(module) Add new module (#2)",
+          date: "2017-01-01",
+        },
+        {
+          sha: "a0000002",
+          refName: "",
+          summary: "refactor(module) Simplify implementation",
+          date: "2017-01-01",
+        },
+        {
+          sha: "a0000001",
+          refName: "tag: v0.1.0",
+          summary: "chore(release): releasing component",
+          date: "2017-01-01",
+        },
       ]);
 
-      require("./git").listTagNames.mockImplementation(() => [
-        "v0.2.0",
-        "v0.1.1",
-        "v0.1.0",
-        "v0.0.1",
-      ]);
+      require("./git").listTagNames.mockImplementation(() => ["v0.2.0", "v0.1.1", "v0.1.0", "v0.0.1"]);
 
       require("./git").changedPaths.mockImplementation(() => []);
 
@@ -73,10 +88,7 @@ describe("Changelog", () => {
         "https://api.github.com/repos/lerna/lerna-changelog/issues/2": {
           number: 2,
           title: "This is the commit title for the issue (#2)",
-          labels: [
-            { name: "Type: New Feature" },
-            { name: "Status: In Progress" },
-          ],
+          labels: [{ name: "Type: New Feature" }, { name: "Status: In Progress" }],
           user: usersCache["https://api.github.com/users/test-user"],
         },
       };
@@ -135,22 +147,31 @@ describe("Changelog", () => {
       });
 
       const testCommits = [
-        { commitSHA: "a0000004", githubIssue: { user: { login: "test-user-1" } } },
-        { commitSHA: "a0000003", githubIssue: { user: { login: "test-user-2" } } },
+        {
+          commitSHA: "a0000004",
+          githubIssue: { user: { login: "test-user-1" } },
+        },
+        {
+          commitSHA: "a0000003",
+          githubIssue: { user: { login: "test-user-2" } },
+        },
         { commitSHA: "a0000002", githubIssue: { user: { login: "user-bot" } } },
         { commitSHA: "a0000001" },
       ];
       const committers = await changelog.getCommitters(testCommits);
 
-      expect(committers).toEqual([{
-        login: "test-user-1",
-        html_url: "https://github.com/test-user-1",
-        name: "Test User 1",
-      }, {
-        login: "test-user-2",
-        html_url: "https://github.com/test-user-2",
-        name: "Test User 2",
-      }]);
+      expect(committers).toEqual([
+        {
+          login: "test-user-1",
+          html_url: "https://github.com/test-user-1",
+          name: "Test User 1",
+        },
+        {
+          login: "test-user-2",
+          html_url: "https://github.com/test-user-2",
+          name: "Test User 2",
+        },
+      ]);
     });
   });
 });
diff --git a/src/changelog.ts b/src/changelog.ts
index 853188ce..9ea4b505 100644
--- a/src/changelog.ts
+++ b/src/changelog.ts
@@ -4,8 +4,8 @@ import progressBar from "./progress-bar";
 import * as Configuration from "./configuration";
 import findPullRequestId from "./find-pull-request-id";
 import * as Git from "./git";
-import GithubAPI, {GitHubUserResponse} from "./github-api";
-import {CommitInfo, Release} from "./interfaces";
+import GithubAPI, { GitHubUserResponse } from "./github-api";
+import { CommitInfo, Release } from "./interfaces";
 import MarkdownRenderer from "./markdown-renderer";
 
 const UNRELEASED_TAG = "___unreleased___";
@@ -113,7 +113,7 @@ export default class Changelog {
       }
     }
 
-    return Object.keys(committers).map((k) => committers[k]);
+    return Object.keys(committers).map(k => committers[k]);
   }
 
   private ignoreCommitter(login: string): boolean {
@@ -126,7 +126,7 @@ export default class Changelog {
 
   private async toCommitInfos(commits: Git.CommitListItem[]): Promise<CommitInfo[]> {
     const allTags = await Git.listTagNames();
-    return commits.map((commit) => {
+    return commits.map(commit => {
       const { sha, refName, summary: message, date } = commit;
 
       let tagsInCommit;
@@ -152,15 +152,19 @@ export default class Changelog {
 
   private async downloadIssueData(commitInfos: CommitInfo[]) {
     progressBar.init(commitInfos.length);
-    await pMap(commitInfos, async (commitInfo: CommitInfo) => {
-      progressBar.setTitle(commitInfo.commitSHA);
+    await pMap(
+      commitInfos,
+      async (commitInfo: CommitInfo) => {
+        progressBar.setTitle(commitInfo.commitSHA);
 
-      if (commitInfo.issueNumber) {
-        commitInfo.githubIssue = await this.github.getIssueData(this.config.repo, commitInfo.issueNumber);
-      }
+        if (commitInfo.issueNumber) {
+          commitInfo.githubIssue = await this.github.getIssueData(this.config.repo, commitInfo.issueNumber);
+        }
 
-      progressBar.tick();
-    }, { concurrency: 5 });
+        progressBar.tick();
+      },
+      { concurrency: 5 }
+    );
     progressBar.terminate();
   }
 
@@ -191,7 +195,7 @@ export default class Changelog {
       }
     }
 
-    return Object.keys(releaseMap).map((tag) => releaseMap[tag]);
+    return Object.keys(releaseMap).map(tag => releaseMap[tag]);
   }
 
   private getToday() {
@@ -203,24 +207,28 @@ export default class Changelog {
     for (const commit of commits) {
       if (!commit.githubIssue || !commit.githubIssue.labels) continue;
 
-      const labels = commit.githubIssue.labels.map((label) => label.name.toLowerCase());
+      const labels = commit.githubIssue.labels.map(label => label.name.toLowerCase());
 
       commit.categories = Object.keys(this.config.labels)
-        .filter((label) => labels.indexOf(label.toLowerCase()) !== -1)
-        .map((label) => this.config.labels[label]);
+        .filter(label => labels.indexOf(label.toLowerCase()) !== -1)
+        .map(label => this.config.labels[label]);
     }
   }
 
   private async fillInPackages(commits: CommitInfo[]) {
     progressBar.init(commits.length);
 
-    await pMap(commits, async (commit: CommitInfo) => {
-      progressBar.setTitle(commit.commitSHA);
+    await pMap(
+      commits,
+      async (commit: CommitInfo) => {
+        progressBar.setTitle(commit.commitSHA);
 
-      commit.packages = await this.getListOfUniquePackages(commit.commitSHA);
+        commit.packages = await this.getListOfUniquePackages(commit.commitSHA);
 
-      progressBar.tick();
-    }, { concurrency: 5 });
+        progressBar.tick();
+      },
+      { concurrency: 5 }
+    );
 
     progressBar.terminate();
   }
diff --git a/src/cli.ts b/src/cli.ts
index 0656e7f0..819411b9 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -18,17 +18,13 @@ export async function run() {
         desc: "A git tag that determines the upper bound of the range of commits",
       },
     })
-    .example(
-      "lerna-changelog",
-      "create a changelog for the changes after the latest available tag",
-    )
+    .example("lerna-changelog", "create a changelog for the changes after the latest available tag")
     .example(
       "lerna-changelog --tag-from 0.1.0 --tag-to 0.3.0",
-      "create a changelog for the changes in all tags within the given range",
+      "create a changelog for the changes in all tags within the given range"
     )
     .version()
-    .help()
-    .argv;
+    .help().argv;
 
   let options = {
     tagFrom: argv["tag-from"],
@@ -36,9 +32,8 @@ export async function run() {
   };
 
   try {
-    let result = await (new Changelog(options)).createMarkdown();
+    let result = await new Changelog(options).createMarkdown();
     console.log(result);
-
   } catch (e) {
     if (e instanceof ConfigurationError) {
       console.log(chalk.red(e.message));
diff --git a/src/configuration.spec.ts b/src/configuration.spec.ts
index b4deb9cd..ae426bc0 100644
--- a/src/configuration.spec.ts
+++ b/src/configuration.spec.ts
@@ -86,19 +86,23 @@ describe("Configuration", function() {
 
     tests.forEach(([input, output]) => {
       it(`'${input}' -> '${output}'`, function() {
-        expect(findRepoFromPkg({
-          repository: {
-            type: "git",
-            url: input,
-          },
-        })).toEqual(output);
+        expect(
+          findRepoFromPkg({
+            repository: {
+              type: "git",
+              url: input,
+            },
+          })
+        ).toEqual(output);
       });
     });
 
     it(`works with shorthand 'repository' syntax`, function() {
-      expect(findRepoFromPkg({
-        repository: "https://github.com/babel/ember-cli-babel",
-      })).toEqual("babel/ember-cli-babel");
+      expect(
+        findRepoFromPkg({
+          repository: "https://github.com/babel/ember-cli-babel",
+        })
+      ).toEqual("babel/ember-cli-babel");
     });
   });
 });
diff --git a/src/configuration.ts b/src/configuration.ts
index eac5f182..393ba02a 100644
--- a/src/configuration.ts
+++ b/src/configuration.ts
@@ -16,7 +16,7 @@ export function fromPath(rootPath: string): any {
   if (!config) {
     throw new ConfigurationError(
       "Missing changelog config in `lerna.json`.\n" +
-      "See docs for setup: https://github.com/lerna/lerna-changelog#readme",
+        "See docs for setup: https://github.com/lerna/lerna-changelog#readme"
     );
   }
 
diff --git a/src/find-pull-request-id.spec.ts b/src/find-pull-request-id.spec.ts
index b82da747..51515a10 100644
--- a/src/find-pull-request-id.spec.ts
+++ b/src/find-pull-request-id.spec.ts
@@ -4,19 +4,22 @@ import findPullRequestId from "./find-pull-request-id";
 
 describe("findPullRequestId", function() {
   it("finds the id in a GitHub merge commit", function() {
-    const message = "Merge pull request #42 from Turbo87/pkg-config\n\nRead \"changelog\" config key from \"package.json\" too";
+    const message =
+      'Merge pull request #42 from Turbo87/pkg-config\n\nRead "changelog" config key from "package.json" too';
     const result = findPullRequestId(message);
     expect(result).toEqual("42");
   });
 
   it("finds the id in a GitHub squash-merge commit", function() {
-    const message = "Adjust \"lint\" script (#48)\n\n* bin/cli: Use \"const\" instead of \"var\"\n\n* package.json: Adjust \"lint\" script";
+    const message =
+      'Adjust "lint" script (#48)\n\n* bin/cli: Use "const" instead of "var"\n\n* package.json: Adjust "lint" script';
     const result = findPullRequestId(message);
     expect(result).toEqual("48");
   });
 
   it("finds the id in a homu merge commit", function() {
-    const message = "Auto merge of #7056 - fixTypos:fix_typos, r=Turbo87\n\nfix_typos\n\nThis PR is part of a campaign to fix a lot of typos on github!\nYou can see the progress on https://github.com/fixTypos/fix_typos/\n\nhttps://github.com/client9/misspell";
+    const message =
+      "Auto merge of #7056 - fixTypos:fix_typos, r=Turbo87\n\nfix_typos\n\nThis PR is part of a campaign to fix a lot of typos on github!\nYou can see the progress on https://github.com/fixTypos/fix_typos/\n\nhttps://github.com/client9/misspell";
     const result = findPullRequestId(message);
     expect(result).toEqual("7056");
   });
diff --git a/src/functional/markdown-full.spec.ts b/src/functional/markdown-full.spec.ts
index 3fafc332..95a70bb3 100644
--- a/src/functional/markdown-full.spec.ts
+++ b/src/functional/markdown-full.spec.ts
@@ -1,6 +1,6 @@
 /* tslint:disable:max-line-length */
 
-import {CommitListItem} from "../git";
+import { CommitListItem } from "../git";
 
 jest.mock("../../src/progress-bar");
 jest.mock("../../src/changelog");
@@ -9,32 +9,99 @@ jest.mock("../git");
 jest.mock("../fetch");
 
 const listOfCommits: CommitListItem[] = [
-  { sha: "a0000015", refName: "", summary: "chore: making of episode viii", date: "2015-12-18" },
-  { sha: "a0000014", refName: "", summary: "feat: infiltration (#7)", date: "2015-12-18" },
-  { sha: "a0000013", refName: "HEAD -> master, tag: v6.0.0, origin/master, origin/HEAD", summary: "chore(release): releasing component", date: "1983-05-25" },
-  { sha: "a0000012", refName: "", summary: "Merge pull request #6 from return-of-the-jedi", date: "1983-05-25" },
-  { sha: "a0000011", refName: "", summary: "feat: I am your father (#5)", date: "1983-05-25" },
-  { sha: "a0000010", refName: "", summary: "fix(han-solo): unfreezes (#4)", date: "1983-05-25" },
-  { sha: "a0000009", refName: "tag: v5.0.0", summary: "chore(release): releasing component", date: "1980-05-17" },
-  { sha: "a0000008", refName: "", summary: "Merge pull request #3 from empire-strikes-back", date: "1980-05-17" },
-  { sha: "a0000007", refName: "", summary: "fix: destroy rebels base", date: "1980-05-17" },
-  { sha: "a0000006", refName: "", summary: "chore: the end of Alderaan (#2)", date: "1980-05-17" },
-  { sha: "a0000005", refName: "", summary: "refactor(death-star): add deflector shield", date: "1980-05-17" },
-  { sha: "a0000004", refName: "tag: v4.0.0", summary: "chore(release): releasing component", date: "1977-05-25" },
-  { sha: "a0000003", refName: "", summary: "Merge pull request #1 from star-wars", date: "1977-05-25" },
-  { sha: "a0000002", refName: "tag: v0.1.0", summary: "chore(release): releasing component", date: "1966-01-01" },
-  { sha: "a0000001", refName: "", summary: "fix: some random fix which will be ignored", date: "1966-01-01" },
+  {
+    sha: "a0000015",
+    refName: "",
+    summary: "chore: making of episode viii",
+    date: "2015-12-18",
+  },
+  {
+    sha: "a0000014",
+    refName: "",
+    summary: "feat: infiltration (#7)",
+    date: "2015-12-18",
+  },
+  {
+    sha: "a0000013",
+    refName: "HEAD -> master, tag: v6.0.0, origin/master, origin/HEAD",
+    summary: "chore(release): releasing component",
+    date: "1983-05-25",
+  },
+  {
+    sha: "a0000012",
+    refName: "",
+    summary: "Merge pull request #6 from return-of-the-jedi",
+    date: "1983-05-25",
+  },
+  {
+    sha: "a0000011",
+    refName: "",
+    summary: "feat: I am your father (#5)",
+    date: "1983-05-25",
+  },
+  {
+    sha: "a0000010",
+    refName: "",
+    summary: "fix(han-solo): unfreezes (#4)",
+    date: "1983-05-25",
+  },
+  {
+    sha: "a0000009",
+    refName: "tag: v5.0.0",
+    summary: "chore(release): releasing component",
+    date: "1980-05-17",
+  },
+  {
+    sha: "a0000008",
+    refName: "",
+    summary: "Merge pull request #3 from empire-strikes-back",
+    date: "1980-05-17",
+  },
+  {
+    sha: "a0000007",
+    refName: "",
+    summary: "fix: destroy rebels base",
+    date: "1980-05-17",
+  },
+  {
+    sha: "a0000006",
+    refName: "",
+    summary: "chore: the end of Alderaan (#2)",
+    date: "1980-05-17",
+  },
+  {
+    sha: "a0000005",
+    refName: "",
+    summary: "refactor(death-star): add deflector shield",
+    date: "1980-05-17",
+  },
+  {
+    sha: "a0000004",
+    refName: "tag: v4.0.0",
+    summary: "chore(release): releasing component",
+    date: "1977-05-25",
+  },
+  {
+    sha: "a0000003",
+    refName: "",
+    summary: "Merge pull request #1 from star-wars",
+    date: "1977-05-25",
+  },
+  {
+    sha: "a0000002",
+    refName: "tag: v0.1.0",
+    summary: "chore(release): releasing component",
+    date: "1966-01-01",
+  },
+  {
+    sha: "a0000001",
+    refName: "",
+    summary: "fix: some random fix which will be ignored",
+    date: "1966-01-01",
+  },
 ];
 
-const listOfTags = [
-  "v6.0.0",
-  "v5.0.0",
-  "v4.0.0",
-  "v3.0.0",
-  "v2.0.0",
-  "v1.0.0",
-  "v0.1.0",
-];
+const listOfTags = ["v6.0.0", "v5.0.0", "v4.0.0", "v3.0.0", "v2.0.0", "v1.0.0", "v0.1.0"];
 
 const listOfPackagesForEachCommit: { [id: string]: string[] } = {
   a0000001: ["packages/random/foo.js"],
@@ -50,10 +117,7 @@ const listOfPackagesForEachCommit: { [id: string]: string[] } = {
   a0000011: ["packages/return-of-the-jedi/vader-luke.js"],
   a0000012: ["packages/return-of-the-jedi/leia.js"],
   a0000013: ["packages/return-of-the-jedi/package.json"],
-  a0000014: [
-    "packages/the-force-awakens/mission.js",
-    "packages/rogue-one/mission.js",
-  ],
+  a0000014: ["packages/the-force-awakens/mission.js", "packages/rogue-one/mission.js"],
   a0000015: ["packages/untitled/script.md"],
 };
 
@@ -71,10 +135,7 @@ const listOfFileForEachCommit: { [id: string]: string[] } = {
   a0000011: ["return-of-the-jedi/vader-luke.js"],
   a0000012: ["return-of-the-jedi/leia.js"],
   a0000013: ["return-of-the-jedi/package.json"],
-  a0000014: [
-    "the-force-awakens/mission.js",
-    "rogue-one/mission.js",
-  ],
+  a0000014: ["the-force-awakens/mission.js", "rogue-one/mission.js"],
   a0000015: ["untitled/script.md"],
 };
 
@@ -124,9 +185,7 @@ const issuesCache = {
   "https://api.github.com/repos/lerna/lerna-changelog/issues/1": {
     number: 1,
     title: "feat: May the force be with you",
-    labels: [
-      { name: "Type: New Feature" },
-    ],
+    labels: [{ name: "Type: New Feature" }],
     pull_request: {
       html_url: "https://github.com/lerna/lerna-changelog/pull/1",
     },
@@ -135,9 +194,7 @@ const issuesCache = {
   "https://api.github.com/repos/lerna/lerna-changelog/issues/2": {
     number: 2,
     title: "chore: Terminate her... immediately!",
-    labels: [
-      { name: "Type: Breaking Change" },
-    ],
+    labels: [{ name: "Type: Breaking Change" }],
     pull_request: {
       html_url: "https://github.com/lerna/lerna-changelog/pull/2",
     },
@@ -146,9 +203,7 @@ const issuesCache = {
   "https://api.github.com/repos/lerna/lerna-changelog/issues/3": {
     number: 3,
     title: "fix: Get me the rebels base!",
-    labels: [
-      { name: "Type: Bug" },
-    ],
+    labels: [{ name: "Type: Bug" }],
     pull_request: {
       html_url: "https://github.com/lerna/lerna-changelog/pull/3",
     },
@@ -157,10 +212,7 @@ const issuesCache = {
   "https://api.github.com/repos/lerna/lerna-changelog/issues/4": {
     number: 4,
     title: "fix: RRRAARRWHHGWWR",
-    labels: [
-      { name: "Type: Bug" },
-      { name: "Type: Maintenance" },
-    ],
+    labels: [{ name: "Type: Bug" }, { name: "Type: Maintenance" }],
     pull_request: {
       html_url: "https://github.com/lerna/lerna-changelog/pull/4",
     },
@@ -169,9 +221,7 @@ const issuesCache = {
   "https://api.github.com/repos/lerna/lerna-changelog/issues/5": {
     number: 5,
     title: "feat: I am your father",
-    labels: [
-      { name: "Type: New Feature" },
-    ],
+    labels: [{ name: "Type: New Feature" }],
     pull_request: {
       html_url: "https://github.com/lerna/lerna-changelog/pull/5",
     },
@@ -180,9 +230,7 @@ const issuesCache = {
   "https://api.github.com/repos/lerna/lerna-changelog/issues/6": {
     number: 6,
     title: "refactor: he is my brother",
-    labels: [
-      { name: "Type: Enhancement" },
-    ],
+    labels: [{ name: "Type: Enhancement" }],
     pull_request: {
       html_url: "https://github.com/lerna/lerna-changelog/pull/6",
     },
@@ -191,10 +239,7 @@ const issuesCache = {
   "https://api.github.com/repos/lerna/lerna-changelog/issues/7": {
     number: 7,
     title: "feat: that is not how the Force works!",
-    labels: [
-      { name: "Type: New Feature" },
-      { name: "Type: Enhancement" },
-    ],
+    labels: [{ name: "Type: New Feature" }, { name: "Type: Enhancement" }],
     pull_request: {
       html_url: "https://github.com/lerna/lerna-changelog/pull/7",
     },
@@ -237,10 +282,30 @@ describe("createMarkdown", () => {
       require("../git").changedPaths.mockImplementation((sha: string) => listOfPackagesForEachCommit[sha]);
       require("../git").lastTag.mockImplementation(() => "v8.0.0");
       require("../git").listCommits.mockImplementation(() => [
-        { sha: "a0000004", refName: "tag: a-new-hope@4.0.0, tag: empire-strikes-back@5.0.0, tag: return-of-the-jedi@6.0.0", summary: "chore(release): releasing component", date: "1977-05-25" },
-        { sha: "a0000003", refName: "", summary: "Merge pull request #1 from star-wars", date: "1977-05-25" },
-        { sha: "a0000002", refName: "tag: v0.1.0", summary: "chore(release): releasing component", date: "1966-01-01" },
-        { sha: "a0000001", refName: "", summary: "fix: some random fix which will be ignored", date: "1966-01-01" },
+        {
+          sha: "a0000004",
+          refName: "tag: a-new-hope@4.0.0, tag: empire-strikes-back@5.0.0, tag: return-of-the-jedi@6.0.0",
+          summary: "chore(release): releasing component",
+          date: "1977-05-25",
+        },
+        {
+          sha: "a0000003",
+          refName: "",
+          summary: "Merge pull request #1 from star-wars",
+          date: "1977-05-25",
+        },
+        {
+          sha: "a0000002",
+          refName: "tag: v0.1.0",
+          summary: "chore(release): releasing component",
+          date: "1966-01-01",
+        },
+        {
+          sha: "a0000001",
+          refName: "",
+          summary: "fix: some random fix which will be ignored",
+          date: "1966-01-01",
+        },
       ]);
       require("../git").listTagNames.mockImplementation(() => [
         "a-new-hope@4.0.0",
diff --git a/src/git.ts b/src/git.ts
index 37daa860..7372fa4c 100644
--- a/src/git.ts
+++ b/src/git.ts
@@ -1,7 +1,7 @@
 const execa = require("execa");
 
 export async function changedPaths(sha: string): Promise<string[]> {
-  const result = await execa("git", ["show", "-m", "--name-only" , "--pretty=format:", "--first-parent", sha]);
+  const result = await execa("git", ["show", "-m", "--name-only", "--pretty=format:", "--first-parent", sha]);
   return result.stdout.split("\n");
 }
 
@@ -9,7 +9,10 @@ export async function changedPaths(sha: string): Promise<string[]> {
  * All existing tags in the repository
  */
 export function listTagNames(): string[] {
-  return execa.sync("git", ["tag"]).stdout.split("\n").filter(Boolean);
+  return execa
+    .sync("git", ["tag"])
+    .stdout.split("\n")
+    .filter(Boolean);
 }
 
 /**
@@ -29,8 +32,9 @@ export interface CommitListItem {
 export function listCommits(from: string, to: string = ""): CommitListItem[] {
   // Prints "<short-hash>;<ref-name>;<summary>;<date>"
   // This format is used in `getCommitInfos` for easily analize the commit.
-  return execa.sync("git", ["log", "--oneline", "--pretty=%h;%D;%s;%cd", "--date=short", `${from}..${to}`]).stdout
-    .split("\n")
+  return execa
+    .sync("git", ["log", "--oneline", "--pretty=%h;%D;%s;%cd", "--date=short", `${from}..${to}`])
+    .stdout.split("\n")
     .filter(Boolean)
     .map((commit: string) => {
       const parts = commit.split(";");
diff --git a/src/index.ts b/src/index.ts
index 35c6c878..90af90f6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,4 @@
 import Changelog from "./changelog";
 import ConfigurationError from "./configuration-error";
 
-export {
-  Changelog,
-  ConfigurationError,
-};
+export { Changelog, ConfigurationError };
diff --git a/src/interfaces.ts b/src/interfaces.ts
index f076e8ef..1452cc6c 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -1,4 +1,4 @@
-import {GitHubIssueResponse, GitHubUserResponse} from "./github-api";
+import { GitHubIssueResponse, GitHubUserResponse } from "./github-api";
 
 export interface CommitInfo {
   commitSHA: string;
diff --git a/src/markdown-renderer.spec.ts b/src/markdown-renderer.spec.ts
index 03a5999f..1ac6f6ce 100644
--- a/src/markdown-renderer.spec.ts
+++ b/src/markdown-renderer.spec.ts
@@ -1,4 +1,4 @@
-import {CommitInfo} from "./interfaces";
+import { CommitInfo } from "./interfaces";
 import MarkdownRenderer from "./markdown-renderer";
 
 const BASIC_COMMIT = {
diff --git a/src/markdown-renderer.ts b/src/markdown-renderer.ts
index cfb9958f..5cf3d4b3 100644
--- a/src/markdown-renderer.ts
+++ b/src/markdown-renderer.ts
@@ -1,5 +1,5 @@
-import {GitHubUserResponse} from "./github-api";
-import {CommitInfo, Release} from "./interfaces";
+import { GitHubUserResponse } from "./github-api";
+import { CommitInfo, Release } from "./interfaces";
 
 const UNRELEASED_TAG = "___unreleased___";
 const COMMIT_FIX_REGEX = /(fix|close|resolve)(e?s|e?d)? [T#](\d+)/i;
@@ -23,7 +23,7 @@ export default class MarkdownRenderer {
 
   public renderMarkdown(releases: Release[]) {
     return `\n${releases
-      .map((release) => this.renderRelease(release))
+      .map(release => this.renderRelease(release))
       .filter(Boolean)
       .join("\n\n\n")}`;
   }
@@ -31,7 +31,7 @@ export default class MarkdownRenderer {
   public renderRelease(release: Release): string | undefined {
     // Group commits in release by category
     const categories = this.groupByCategory(release.commits);
-    const categoriesWithCommits = categories.filter((category) => category.commits.length > 0);
+    const categoriesWithCommits = categories.filter(category => category.commits.length > 0);
 
     // Skip this iteration if there are no commits available for the release
     if (categoriesWithCommits.length === 0) return "";
@@ -72,23 +72,23 @@ export default class MarkdownRenderer {
 
     const packageNames = Object.keys(commitsByPackage);
 
-    return packageNames.map((packageName) => {
-      const pkgCommits = commitsByPackage[packageName];
-      return `* ${packageName}\n${this.renderContributionList(pkgCommits, "  ")}`;
-    }).join("\n");
+    return packageNames
+      .map(packageName => {
+        const pkgCommits = commitsByPackage[packageName];
+        return `* ${packageName}\n${this.renderContributionList(pkgCommits, "  ")}`;
+      })
+      .join("\n");
   }
 
   public renderPackageNames(packageNames: string[]) {
-    return packageNames.length > 0
-      ? packageNames.map((pkg) => `\`${pkg}\``).join(", ")
-      : "Other";
+    return packageNames.length > 0 ? packageNames.map(pkg => `\`${pkg}\``).join(", ") : "Other";
   }
 
   public renderContributionList(commits: CommitInfo[], prefix: string = ""): string {
     return commits
-      .map((commit) => this.renderContribution(commit))
+      .map(commit => this.renderContribution(commit))
       .filter(Boolean)
-      .map((rendered) => `${prefix}* ${rendered}`)
+      .map(rendered => `${prefix}* ${rendered}`)
       .join("\n");
   }
 
@@ -103,10 +103,7 @@ export default class MarkdownRenderer {
       }
 
       if (issue.title && issue.title.match(COMMIT_FIX_REGEX)) {
-        issue.title = issue.title.replace(
-          COMMIT_FIX_REGEX,
-          `Closes [#$3](${this.options.baseIssueUrl}$3)`,
-        );
+        issue.title = issue.title.replace(COMMIT_FIX_REGEX, `Closes [#$3](${this.options.baseIssueUrl}$3)`);
       }
 
       markdown += `${issue.title}. ([@${issue.user.login}](${issue.user.html_url}))`;
@@ -116,7 +113,7 @@ export default class MarkdownRenderer {
   }
 
   public renderContributorList(contributors: GitHubUserResponse[]) {
-    const renderedContributors = contributors.map((contributor) => `- ${this.renderContributor(contributor)}`).sort();
+    const renderedContributors = contributors.map(contributor => `- ${this.renderContributor(contributor)}`).sort();
 
     return `#### Committers: ${contributors.length}\n${renderedContributors.join("\n")}`;
   }
@@ -131,15 +128,14 @@ export default class MarkdownRenderer {
   }
 
   private hasPackages(commits: CommitInfo[]) {
-    return commits.some((commit) => commit.packages !== undefined && commit.packages.length > 0);
+    return commits.some(commit => commit.packages !== undefined && commit.packages.length > 0);
   }
 
   private groupByCategory(allCommits: CommitInfo[]): CategoryInfo[] {
-    return this.options.categories.map((name) => {
+    return this.options.categories.map(name => {
       // Keep only the commits that have a matching label with the one
       // provided in the lerna.json config.
-      let commits = allCommits
-        .filter((commit) => commit.categories && commit.categories.indexOf(name) !== -1);
+      let commits = allCommits.filter(commit => commit.categories && commit.categories.indexOf(name) !== -1);
 
       return { name, commits };
     });
diff --git a/tslint.json b/tslint.json
index 98c4a404..eced3cae 100644
--- a/tslint.json
+++ b/tslint.json
@@ -1,10 +1,14 @@
 {
     "defaultSeverity": "error",
     "extends": [
-        "tslint:recommended"
+        "tslint:recommended",
+        "tslint-config-prettier"
     ],
     "jsRules": {},
+    "rulesDirectory": ["tslint-plugin-prettier"],
     "rules": {
+      "prettier": true,
+
       "arrow-parens": false,
       "curly": false,
       "interface-name": false,
@@ -13,10 +17,6 @@
       "object-literal-sort-keys": false,
       "only-arrow-functions": false,
       "ordered-imports": false,
-      "prefer-const": false,
-      "quotemark": {
-        "options": "double"
-      }
-    },
-    "rulesDirectory": []
+      "prefer-const": false
+    }
 }
diff --git a/yarn.lock b/yarn.lock
index 4eabc947..4adbebd3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1168,6 +1168,13 @@ escodegen@^1.9.0:
   optionalDependencies:
     source-map "~0.6.1"
 
+eslint-plugin-prettier@^2.2.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.6.0.tgz#33e4e228bdb06142d03c560ce04ec23f6c767dd7"
+  dependencies:
+    fast-diff "^1.1.1"
+    jest-docblock "^21.0.0"
+
 esprima@^2.6.0:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
@@ -1312,6 +1319,10 @@ fast-deep-equal@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
 
+fast-diff@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -2141,6 +2152,10 @@ jest-diff@^23.0.1:
     jest-get-type "^22.1.0"
     pretty-format "^23.0.1"
 
+jest-docblock@^21.0.0:
+  version "21.2.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
+
 jest-docblock@^23.0.1:
   version "23.0.1"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-23.0.1.tgz#deddd18333be5dc2415260a04ef3fce9276b5725"
@@ -3226,6 +3241,10 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+prettier@1.13.5:
+  version "1.13.5"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.5.tgz#7ae2076998c8edce79d63834e9b7b09fead6bfd0"
+
 pretty-format@^22.4.0, pretty-format@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.4.3.tgz#f873d780839a9c02e9664c8a082e9ee79eaac16f"
@@ -4024,10 +4043,21 @@ ts-jest@^22.4.6:
     source-map-support "^0.5.5"
     yargs "^11.0.0"
 
-tslib@^1.8.0, tslib@^1.8.1:
+tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.2.tgz#8be0cc9a1f6dc7727c38deb16c2ebd1a2892988e"
 
+tslint-config-prettier@^1.13.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/tslint-config-prettier/-/tslint-config-prettier-1.13.0.tgz#189e821931ad89e0364e4e292d5c44a14e90ecd6"
+
+tslint-plugin-prettier@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/tslint-plugin-prettier/-/tslint-plugin-prettier-1.3.0.tgz#7eb65d19ea786a859501a42491b78c5de2031a3f"
+  dependencies:
+    eslint-plugin-prettier "^2.2.0"
+    tslib "^1.7.1"
+
 tslint@^5.10.0, tslint@^5.8.0:
   version "5.10.0"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.10.0.tgz#11e26bccb88afa02dd0d9956cae3d4540b5f54c3"