diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07c7ba8ad..1ea7dd5de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Xcodeproj Changelog
 
-## Master
+## 1.3.1 (2016-09-10)
 
 ##### Enhancements
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 7b69c848f..a60a9ac31 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GIT
 PATH
   remote: .
   specs:
-    xcodeproj (1.3.0)
+    xcodeproj (1.3.1)
       activesupport (>= 3)
       claide (>= 1.0.0, < 2.0)
       colored (~> 1.2)
diff --git a/lib/xcodeproj/gem_version.rb b/lib/xcodeproj/gem_version.rb
index 5e972fa48..0be521c31 100644
--- a/lib/xcodeproj/gem_version.rb
+++ b/lib/xcodeproj/gem_version.rb
@@ -1,5 +1,5 @@
 module Xcodeproj
   # The version of the xcodeproj gem.
   #
-  VERSION = '1.3.0'.freeze unless defined? Xcodeproj::VERSION
+  VERSION = '1.3.1'.freeze unless defined? Xcodeproj::VERSION
 end