diff --git a/.gitignore b/.gitignore
index 56df8f3b..bea31c46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ npm-debug.log
 /node_modules
 /test-tmp
 /tmp
+test/benchmark/**/**
diff --git a/package.json b/package.json
index 49af3266..c740524d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "javascript-obfuscator",
-  "version": "0.9.0-beta.3",
+  "version": "0.9.0-beta.4",
   "description": "JavaScript obfuscator",
   "keywords": [
     "obfuscator",