diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0de8b464d..c6fdbaa3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CocoaPods Core Changelog
 
+## 0.39.0.beta.4 (2015-09-02)
+
+This version only introduces changes in the CocoaPods gem.
+
+
 ## 0.39.0.beta.3 (2015-08-28)
 
 ##### Bug Fixes
diff --git a/Gemfile.lock b/Gemfile.lock
index 355732b22..d8a35edfa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    cocoapods-core (0.39.0.beta.3)
+    cocoapods-core (0.39.0.beta.4)
       activesupport (>= 3.2.15)
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
diff --git a/lib/cocoapods-core/gem_version.rb b/lib/cocoapods-core/gem_version.rb
index c8ecfea90..03844c4e7 100644
--- a/lib/cocoapods-core/gem_version.rb
+++ b/lib/cocoapods-core/gem_version.rb
@@ -1,5 +1,5 @@
 module Pod
   # The version of the cocoapods-core.
   #
-  CORE_VERSION = '0.39.0.beta.3' unless defined? Pod::CORE_VERSION
+  CORE_VERSION = '0.39.0.beta.4' unless defined? Pod::CORE_VERSION
 end