diff --git a/bin/github-default-branch b/bin/github-default-branch
index 7caf016..e5184a1 100755
--- a/bin/github-default-branch
+++ b/bin/github-default-branch
@@ -1,6 +1,23 @@
 #!/usr/bin/env node
 (async function () {
-  const { argv } = require("yargs");
+  const { argv } = require("yargs").options({
+    pat: {type: "string", description: "GitHub API Token"},
+    repo: {type: "string", description: "The repo to update (format: user/repo"},
+    user: {type: "string", description: "Update all repos owned by the provided user (example: my-user)"},
+    org: {type: "string", description: "Update all repos in the provided org (example: my-org-name)"},
+    keepOld: {type: "boolean", default: false, description: "Keep the old branch rather than deleting it"},
+    dryRun: {type: "boolean", default: false, description: "Output log messages only. Do not make any changes"},
+    listReposOnly: {type: "boolean", default: false, description: "List repos that would be affected, then exit"},
+    skipForks: {type: "boolean", default: false, description: "Skips forked repositories"},
+    old: {type: "string", default: "master", description: "The name of the branch to rename"},
+    new: {type: "string", default: "main", description: "The new branch name"},
+    confirm: {type: "boolean", default: false, description: "Run without prompting for confirmation"},
+  }).example([
+    ["$0 --pat <token> --repo user/repo", "Rename master to main"],
+    ["$0 --pat <token> --repo user/repo --old dev --new develop", "Rename dev to develop"],
+    ["$0 --pat <token> --org my-org-name", "Rename all repos owned by an org"],
+    ["$0 --pat <token> --user my-user", "Rename all repos owned by a user"],
+  ]);
 
   const isDryRun = !!argv.dryRun;
 
diff --git a/package-lock.json b/package-lock.json
index 7518c5e..5645349 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,15 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/runtime-corejs3": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/runtime-corejs3/-/runtime-corejs3-7.10.4.tgz",
+      "integrity": "sha512-BFlgP2SoLO9HJX9WBwN67gHWMBhDX/eDz64Jajd6mR/UAUzqrNMm99d4qHnVaKscAElZoFiPv+JpR/Siud5lXw==",
+      "requires": {
+        "core-js-pure": "^3.0.0",
+        "regenerator-runtime": "^0.13.4"
+      }
+    },
     "@octokit/auth-token": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/@octokit/auth-token/-/auth-token-2.4.2.tgz",
@@ -114,9 +123,9 @@
       }
     },
     "@octokit/types": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-5.0.0.tgz",
-      "integrity": "sha512-3LVS+MbeqwSd5G4KS8123cZz+hWomsiGeMnQ/QJIBFDwL/YHX8kkr0FZXrgWEMO7Fgi2/VOrhbiFnk9sZ+s4qA==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-5.0.1.tgz",
+      "integrity": "sha512-GorvORVwp244fGKEt3cgt/P+M0MGy4xEDbckw+K5ojEezxyMDgCaYPKVct+/eWQfZXOT7uq0xRpmrl/+hliabA==",
       "requires": {
         "@types/node": ">= 8"
       }
@@ -523,6 +532,11 @@
       "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40="
     },
+    "core-js-pure": {
+      "version": "3.6.5",
+      "resolved": "https://registry.npmjs.org/core-js-pure/-/core-js-pure-3.6.5.tgz",
+      "integrity": "sha512-lacdXOimsiD0QyNf9BC/mxivNJ/ybBGJXQFKzRekp1WTHoVUWsUHEn+2T8GJAzzIhyOuXA+gOxCVN3l+5PLPUA=="
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -544,9 +558,12 @@
       }
     },
     "decamelize": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-3.2.0.tgz",
+      "integrity": "sha512-4TgkVUsmmu7oCSyGBm5FvfMoACuoh9EOidm7V5/J2X2djAwwt57qb3F2KMP2ITqODTCSwb+YRV+0Zqrv18k/hw==",
+      "requires": {
+        "xregexp": "^4.2.4"
+      }
     },
     "define-properties": {
       "version": "1.1.3",
@@ -1314,6 +1331,11 @@
         }
       }
     },
+    "regenerator-runtime": {
+      "version": "0.13.5",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.5.tgz",
+      "integrity": "sha512-ZS5w8CpKFinUzOwW3c83oPeVXoNsrLsaCoLtJvAClH135j/R77RuymhiSErhm2lKcwSCIpmvIWSbDkIfAqKQlA=="
+    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -1654,18 +1676,26 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
+    "xregexp": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.3.0.tgz",
+      "integrity": "sha512-7jXDIFXh5yJ/orPn4SXjuVrWWoi4Cr8jfV1eHv9CixKSbU+jY4mxfrBwAuDvupPNKpMUY+FeIqsVw/JLT9+B8g==",
+      "requires": {
+        "@babel/runtime-corejs3": "^7.8.3"
+      }
+    },
     "y18n": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
       "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
     },
     "yargs": {
-      "version": "15.3.1",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.3.1.tgz",
-      "integrity": "sha512-92O1HWEjw27sBfgmXiixJWT5hRBp2eobqXicLtPBIDBhYB+1HpwZlXmbW2luivBJHBzki+7VyCLRtAkScbTBQA==",
+      "version": "15.4.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.0.tgz",
+      "integrity": "sha512-D3fRFnZwLWp8jVAAhPZBsmeIHY8tTsb8ItV9KaAaopmC6wde2u6Yw29JBIZHXw14kgkRnYmDgmQU4FVMDlIsWw==",
       "requires": {
         "cliui": "^6.0.0",
-        "decamelize": "^1.2.0",
+        "decamelize": "^3.2.0",
         "find-up": "^4.1.0",
         "get-caller-file": "^2.0.1",
         "require-directory": "^2.1.1",
@@ -1674,7 +1704,7 @@
         "string-width": "^4.2.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^18.1.1"
+        "yargs-parser": "^18.1.2"
       }
     },
     "yargs-parser": {
@@ -1684,6 +1714,13 @@
       "requires": {
         "camelcase": "^5.0.0",
         "decamelize": "^1.2.0"
+      },
+      "dependencies": {
+        "decamelize": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+          "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
+        }
       }
     }
   }
diff --git a/package.json b/package.json
index 9bf6d51..ee992d9 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@octokit/rest": "^18.0.0",
     "prompt-confirm": "^2.0.4",
     "string.prototype.replaceall": "^1.0.3",
-    "yargs": "^15.3.1"
+    "yargs": "^15.4.0"
   },
   "bin": {
     "github-default-branch": "./bin/github-default-branch"