diff --git a/Gemfile b/Gemfile
index d4c687b..fa627ec 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,3 +7,5 @@ source "https://rubygems.org"
 gem "syntax_tree", "~> 6.2"
 
 gem "rubocop", "~> 1.57", groups: %i[development test]
+
+gem "rake", "~> 13.0", :groups => [:development, :test]
diff --git a/Gemfile.lock b/Gemfile.lock
index 128cd81..baea0e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,6 +12,7 @@ GEM
     prettier_print (1.2.1)
     racc (1.7.1)
     rainbow (3.1.1)
+    rake (13.0.6)
     regexp_parser (2.8.2)
     rexml (3.2.6)
     rubocop (1.57.1)
@@ -38,6 +39,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  rake (~> 13.0)
   rubocop (~> 1.57)
   syntax_tree (~> 6.2)