diff --git a/lib/mocha.js b/lib/mocha.js
index 1700fe9ca7..e414040622 100644
--- a/lib/mocha.js
+++ b/lib/mocha.js
@@ -677,6 +677,20 @@ Mocha.prototype.forbidPending = function() {
   return this;
 };
 
+/**
+ * Mocha version as specified by "package.json".
+ *
+ * @name Mocha#version
+ * @type string
+ * @readonly
+ */
+Object.defineProperty(Mocha.prototype, 'version', {
+  value: require('../package').version,
+  configurable: false,
+  enumerable: true,
+  writable: false
+});
+
 /**
  * Callback to be invoked when test execution is complete.
  *
diff --git a/package-lock.json b/package-lock.json
index 97fdde53a1..72c4a6f2ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1316,6 +1316,12 @@
         "inherits": "^2.0.1"
       }
     },
+    "browserify-package-json": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/browserify-package-json/-/browserify-package-json-1.0.1.tgz",
+      "integrity": "sha1-mN3oqlxWH9bT/km7qhArdLOW/eo=",
+      "dev": true
+    },
     "browserify-rsa": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
@@ -13686,6 +13692,15 @@
         "thunkify": "^2.1.2"
       }
     },
+    "package-json-versionify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/package-json-versionify/-/package-json-versionify-1.0.4.tgz",
+      "integrity": "sha1-WGBYepRIc6a35tJujlH/siMVvxc=",
+      "dev": true,
+      "requires": {
+        "browserify-package-json": "^1.0.0"
+      }
+    },
     "pako": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.6.tgz",
diff --git a/package.json b/package.json
index f85057cb46..7b1938ffa1 100644
--- a/package.json
+++ b/package.json
@@ -446,10 +446,19 @@
     "type": "git",
     "url": "https://github.com/mochajs/mocha.git"
   },
+  "bugs": {
+    "url": "https://github.com/mochajs/mocha/issues/"
+  },
+  "homepage": "https://mochajs.org/",
+  "logo": "https://cldup.com/S9uQ-cOLYz.svg",
   "bin": {
     "mocha": "./bin/mocha",
     "_mocha": "./bin/_mocha"
   },
+  "directories": {
+    "lib": "./lib",
+    "test": "./test"
+  },
   "engines": {
     "node": ">= 6.0.0"
   },
@@ -502,6 +511,7 @@
     "markdownlint-cli": "^0.9.0",
     "nps": "^5.7.1",
     "nyc": "^11.7.3",
+    "package-json-versionify": "^1.0.4",
     "prettier-eslint-cli": "^4.7.1",
     "rimraf": "^2.5.2",
     "svgo": "^0.7.2",
@@ -518,9 +528,10 @@
     "mocha.js",
     "browser-entry.js"
   ],
-  "directories": {
-    "lib": "lib",
-    "test": "test"
+  "browserify": {
+    "transform": [
+      "package-json-versionify"
+    ]
   },
   "browser": {
     "growl": "./lib/browser/growl.js",
@@ -531,13 +542,8 @@
     "path": false,
     "supports-color": false
   },
-  "homepage": "https://mochajs.org/",
-  "logo": "https://cldup.com/S9uQ-cOLYz.svg",
   "prettier": {
     "singleQuote": true,
     "bracketSpacing": false
-  },
-  "bugs": {
-    "url": "https://github.com/mochajs/mocha/issues/"
   }
 }