diff --git a/Gemfile b/Gemfile
index d787097f..65b4f865 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem "bio-genomic-interval",            ">= 0.1.2"
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
-  gem "rake",    ">= 10.1.0" 
+  gem "rake",    ">= 12.1.0" 
   gem "rspec",   ">= 2.14.1"
   gem "bundler", ">= 1.15.4"
   gem "jeweler", ">= 2.3.7"
diff --git a/Gemfile.lock b/Gemfile.lock
index 09133803..55cec76b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,7 +98,7 @@ DEPENDENCIES
   bundler (>= 1.15.4)
   jeweler (>= 2.3.7)
   mysql2 (~> 0.4.9)
-  rake (>= 10.1.0)
+  rake (>= 12.1.0)
   rdoc (>= 4.0.1)
   rspec (>= 2.14.1)
   safe_attributes (~> 1.0.10)