diff --git a/README.md b/README.md
index 83cc63921..16d5340e4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ajv - Another JSON Schema Validator
 
-One of the fastest JSON Schema validators for node.js.
+One of the fastest JSON Schema validators for node.js and browser.
 
 It uses precompiled [doT templates](https://github.com/olado/doT) to generate super-fast validating functions.
 
diff --git a/lib/compile/_rules.js b/lib/compile/_rules.js
new file mode 100644
index 000000000..ca0991c07
--- /dev/null
+++ b/lib/compile/_rules.js
@@ -0,0 +1,28 @@
+'use strict';
+
+//all requires must be explicit because browserify won't work with dynamic requires
+module.exports = {
+  '$ref': require('../dotjs/$ref'),
+  anyOf: require('../dotjs/anyOf'),
+  format: require('../dotjs/format'),
+  maxLength: require('../dotjs/maxLength'),
+  minItems: require('../dotjs/minItems'),
+  minimum: require('../dotjs/minimum'),
+  oneOf: require('../dotjs/oneOf'),
+  required: require('../dotjs/required'),
+  dependencies: require('../dotjs/dependencies'),
+  items: require('../dotjs/items'),
+  maxProperties: require('../dotjs/maxProperties'),
+  minLength: require('../dotjs/minLength'),
+  multipleOf: require('../dotjs/multipleOf'),
+  pattern: require('../dotjs/pattern'),
+  uniqueItems: require('../dotjs/uniqueItems'),
+  allOf: require('../dotjs/allOf'),
+  enum: require('../dotjs/enum'),
+  maxItems: require('../dotjs/maxItems'),
+  maximum: require('../dotjs/maximum'),
+  minProperties: require('../dotjs/minProperties'),
+  not: require('../dotjs/not'),
+  properties: require('../dotjs/properties'),
+  validate: require('../dotjs/validate')
+};
diff --git a/lib/compile/rules.js b/lib/compile/rules.js
index 14010a904..3b91e31bc 100644
--- a/lib/compile/rules.js
+++ b/lib/compile/rules.js
@@ -1,6 +1,7 @@
 'use strict';
 
-var util = require('./util');
+var ruleModules = require('./_rules')
+  , util = require('./util');
 
 var RULES = module.exports = [
   { type: 'number',
@@ -16,12 +17,13 @@ var RULES = module.exports = [
 
 RULES.all = [ 'type', 'additionalProperties', 'patternProperties' ];
 
+
 RULES.forEach(function (group) {
   group.rules = group.rules.map(function (keyword) {
     RULES.all.push(keyword);
     return {
       keyword: keyword,
-      code: require('../dotjs/' + keyword)
+      code: ruleModules[keyword]
     };
   });
 });
diff --git a/package.json b/package.json
index 7922acb0c..c2dba5c03 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ajv",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Another JSON schema Validator",
   "main": "lib/ajv.js",
   "scripts": {