diff --git a/Gemfile b/Gemfile
index 58ef739d..a0520d7c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,4 +3,5 @@ source 'https://rubygems.org'
 
 gem 'u3d', '>= 1.0.3'
 gem 'github_api', '>= 0.18.0'
+gem 'github_changelog_generator'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index b3c2987a..6cecd004 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,6 +19,10 @@ GEM
       faraday (~> 0.8)
       hashie (~> 3.5, >= 3.5.2)
       oauth2 (~> 1.0)
+    github_changelog_generator (1.13.2)
+      github_api (>= 0.14)
+      rainbow (>= 2.1)
+      rake (>= 10.0)
     hashie (3.6.0)
     highline (2.0.1)
     inifile (3.0.0)
@@ -35,6 +39,8 @@ GEM
     plist (3.5.0)
     public_suffix (3.0.3)
     rack (2.0.6)
+    rainbow (3.0.0)
+    rake (12.3.2)
     security (0.1.3)
     thread_safe (0.3.6)
     tins (1.20.2)
@@ -54,6 +60,7 @@ PLATFORMS
 
 DEPENDENCIES
   github_api (>= 0.18.0)
+  github_changelog_generator
   u3d (>= 1.0.3)
 
 RUBY VERSION