diff --git a/Gemfile b/Gemfile
index d091120..c8dae5c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,4 @@
 source 'https://rubygems.org'
 
+gem 'rake'
 gem 'releasinator', '~> 0.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2c1393f..c79f1dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,6 +16,7 @@ GEM
     octokit (4.7.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     public_suffix (2.0.5)
+    rake (12.0.0)
     releasinator (0.6.3)
       colorize (~> 0.7)
       configatron (~> 4.5)
@@ -37,6 +38,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  rake
   releasinator (~> 0.6)
 
 BUNDLED WITH