diff --git a/README.md b/README.md
index 293b5cd..a0ebd4f 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,7 @@ Every release, along with the migration instructions, if any, is documented on t
 * [Victor Homyakov](https://github.com/victor-homyakov) for the propagation of the `cache` option.
 * [VladimirTechMan](https://github.com/VladimirTechMan) for the propagation of the `optimize` option and updating things to be compatible with PEG.js 0.10.0.
 * [ragtime](https://github.com/ragtime) for the propagation of the `allowedStartRules` and `trace` options.
+* [Jan Varwig](https://github.com/janv) for the Webpack 2 compatibility fix.
 
 ## License
 
diff --git a/package.json b/package.json
index 813145f..2717b7a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pegjs-loader",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "PEG.js loader for webpack",
   "authors": [
     "Andrey Subbotin <andrey@subbotin.me> (https://github.com/eploko)",
@@ -26,7 +26,7 @@
   "homepage": "http://eploko.github.io/pegjs-loader",
   "peerDependencies": {
     "pegjs": "^0.10.0",
-    "webpack": "^1.12.2"
+    "webpack": "1 || 2 || ^2.1.0-beta || ^2.2.0-rc"
   },
   "dependencies": {
     "loader-utils": "^0.2.5"