diff --git a/Dalt.gemspec b/Dalt.gemspec
index a21f7e8..2aeee0d 100644
--- a/Dalt.gemspec
+++ b/Dalt.gemspec
@@ -22,6 +22,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'bundler', '~> 1.16'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '~> 12.3'
   spec.add_development_dependency 'rspec', '~> 3.0'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 26e4a52..268d5ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.3)
-    rake (10.5.0)
+    rake (12.3.2)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)
@@ -28,7 +28,7 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 1.16)
   dalt!
-  rake (~> 10.0)
+  rake (~> 12.3)
   rspec (~> 3.0)
 
 BUNDLED WITH