diff --git a/Gemfile.lock b/Gemfile.lock
index 1beeea0..88fc764 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
   specs:
     macaddr (1.7.1)
       systemu (~> 2.6.2)
-    rake (12.0.0)
+    rake (13.0.6)
     systemu (2.6.5)
 
 PLATFORMS
@@ -27,7 +27,7 @@ DEPENDENCIES
   aead!
   bundler (~> 1.14)
   gala!
-  rake (~> 12.0)
+  rake (~> 13.0)
 
 BUNDLED WITH
    1.14.6
diff --git a/gala.gemspec b/gala.gemspec
index a7010a0..31d9fbe 100644
--- a/gala.gemspec
+++ b/gala.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'aead', '~> 1.8'
 
   spec.add_development_dependency 'bundler', '~> 1.14'
-  spec.add_development_dependency 'rake', '~> 12.0'
+  spec.add_development_dependency 'rake', '~> 13.0'
 end