diff --git a/Library/Homebrew/test/Gemfile b/Library/Homebrew/test/Gemfile
index b156aab8b03b..c75b1104b94a 100644
--- a/Library/Homebrew/test/Gemfile
+++ b/Library/Homebrew/test/Gemfile
@@ -2,5 +2,5 @@ source "https://rubygems.org"
 
 gem "mocha", "~> 1.1"
 gem "minitest", "~> 5.3"
-gem "rake", "~> 10.3"
+gem "rake", "~> 12.3"
 gem "simplecov", "~> 0.10.0", :require => false
diff --git a/Library/Homebrew/test/Gemfile.lock b/Library/Homebrew/test/Gemfile.lock
index 9663a26c4783..8b2f4088c587 100644
--- a/Library/Homebrew/test/Gemfile.lock
+++ b/Library/Homebrew/test/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
     minitest (5.7.0)
     mocha (1.1.0)
       metaclass (~> 0.0.1)
-    rake (10.4.2)
+    rake (12.3.3)
     simplecov (0.10.0)
       docile (~> 1.1.0)
       json (~> 1.8)
@@ -20,5 +20,5 @@ PLATFORMS
 DEPENDENCIES
   minitest (~> 5.3)
   mocha (~> 1.1)
-  rake (~> 10.3)
+  rake (~> 12.3)
   simplecov (~> 0.10.0)