diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..d6f062d
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,9 @@
+stages:
+  - test
+
+test:
+  stage: test
+  image: node:8
+  script:
+    - npm i --silent
+    - npm test
diff --git a/README.md b/README.md
index 4dcdae9..f2f8e02 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 
  
 
-Supports travis, circle, wercker, drone, codeship, now(zeit), netlify and GitHub Actions.
+Supports travis, circle, gitlab, wercker, drone, codeship, now(zeit), netlify and GitHub Actions.
 
 Kinda supports custom CI as well. [Specs here](https://github.com/siddharthkp/ci-env/blob/master/index.js#L68-L79)
 
diff --git a/index.js b/index.js
index 1054ca8..32f04bd 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,8 @@
 let drone = require('./utils/drone')
+// platform denotes code hosting provider i.e github, gitlab, bitbucket etc.
+// Had to introduce this variable as there are cases when CI is run on the same platform where code is hosted as those cases need to be handled differently.
+// Default value is github
+let platform = 'github';
 let repo, sha, event, commit_message, pull_request_number, branch, ci, jobUrl, buildUrl
 
 if (process.env.TRAVIS) {
@@ -56,6 +60,18 @@ if (process.env.TRAVIS) {
   pull_request_number = process.env.DRONE_PULL_REQUEST
   branch = process.env.DRONE_BRANCH || process.env.CI_BRANCH
   ci = 'drone'
+} else if (process.env.GITLAB_CI){
+  // Reference: https://docs.gitlab.com/ee/ci/variables/predefined_variables.html
+  // except buildUrl we get all the other variables for gitlab CI
+  repo = process.env.CI_PROJECT_PATH
+  branch = process.env.CI_COMMIT_REF_NAME
+  commit_message = process.env.CI_COMMIT_MESSAGE
+  pull_request_number = (process.env.CI_MERGE_REQUEST_ID || '') // no pull request numnber in case the CI is run for the branch without a pull request
+  sha=process.env.CI_COMMIT_SHA
+  event = process.env.CI_PIPELINE_SOURCE
+  jobUrl = process.env.CI_JOB_URL
+  platform = 'gitlab'
+  ci = 'gitlab'
 } else if (process.env.CI_NAME === 'codeship') {
   // Reference: https://documentation.codeship.com/basic/builds-and-configuration/set-environment-variables/#default-environment-variables
 
@@ -110,9 +126,9 @@ if (process.env.TRAVIS) {
   sha = process.env.CI_COMMIT_SHA
   event = process.env.CI_EVENT || 'push'
   commit_message = process.env.CI_COMMIT_MESSAGE
-  pull_request_number = process.env.CI_PULL_REQUEST_NUMBER
+  pull_request_number = process.env.CI_MERGE_REQUEST_ID
   branch = process.env.CI_BRANCH
   ci = 'custom'
 }
 
-module.exports = { repo, sha, event, commit_message, branch, pull_request_number, ci, jobUrl, buildUrl }
+module.exports = { repo, sha, event, commit_message, branch, pull_request_number, ci, platform, jobUrl, buildUrl }
diff --git a/test.js b/test.js
index d261dff..4115878 100644
--- a/test.js
+++ b/test.js
@@ -9,7 +9,8 @@ const {
   commit_message,
   pull_request_number,
   branch,
-  ci
+  ci,
+  platform
 } = require("./index");
 
 if (ci) {
@@ -30,9 +31,13 @@ if (ci) {
     else if (process.env.DRONE) t.is(ci, "drone");
     else if (process.env.CI_NAME === "codeship") t.is(ci, "codeship");
     else if (process.env.GITHUB_ACTION) t.is(ci, "github_actions");
+    else if (process.env.GITLAB_CI) t.is(ci, "gitlab");
   });
 
-  test("repo is correctly set", t => t.is(repo, "siddharthkp/ci-env"));
+  test("repo is correctly set", t => {
+    if (process.env.GITLAB_CI) t.is(repo, process.env.CI_PROJECT_PATH);
+    else t.is(repo, "siddharthkp/ci-env");
+  });
 
   test("sha is set", t => {
     const real_sha =
@@ -41,7 +46,8 @@ if (ci) {
       process.env.CIRCLE_SHA1 ||
       process.env.WERCKER_GIT_COMMIT ||
       process.env.DRONE_COMMIT ||
-      process.env.GITHUB_SHA;
+      process.env.GITHUB_SHA ||
+      process.env.CI_COMMIT_SHA; //gitlab
 
     t.is(sha, real_sha);
   });
@@ -62,10 +68,11 @@ if (ci) {
       pullRequestNumber = process.env.CI_PULL_REQUEST.split("/").pop();
     if(process.env.GITHUB_ACTION && event === "pull_request")
       pullRequestNumber = process.env.GITHUB_REF.split('/')[2];
-    
+
     const real_pull_request_number =
       process.env.TRAVIS_PULL_REQUEST ||
       process.env.DRONE_PULL_REQUEST ||
+      process.env.CI_MERGE_REQUEST_ID || //gitlab
       pullRequestNumber ||
       ""; // wercker does not expose pull request number
 
@@ -78,6 +85,7 @@ if (ci) {
       real_jobUrl = `https://travis-ci.org/${repo}/jobs/${
         process.env.TRAVIS_JOB_ID
       }`;
+    else if (process.env.GITLAB_CI) real_jobUrl = process.env.CI_JOB_URL;
     t.is(jobUrl, real_jobUrl);
   });
 
@@ -113,7 +121,8 @@ if (ci) {
         process.env.WERCKER_GIT_BRANCH ||
         process.env.DRONE_BRANCH ||
         process.env.CI_BRANCH || // codeship
-        process.env.GITHUB_REF.split('/')[2];
+        process.env.CI_COMMIT_REF_NAME || // gitlab
+        process.env.GITHUB_REF.split('/')[2]
 
       t.is(branch, real_branch);
     }