diff --git a/Gemfile.lock b/Gemfile.lock
index eb9ed35..91ca2d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     Platform (0.4.2)
-    rake (11.1.2)
+    rake (13.0.6)
     rubygems-tasks (0.2.4)
 
 PLATFORMS
@@ -17,7 +17,7 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 1.0)
   protoc!
-  rake (~> 11.0)
+  rake (~> 13.0)
   rubygems-tasks (~> 0.2)
 
 BUNDLED WITH
diff --git a/protoc.gemspec b/protoc.gemspec
index 6deea24..e4a770f 100644
--- a/protoc.gemspec
+++ b/protoc.gemspec
@@ -26,7 +26,7 @@ EOF
   spec.extensions = 'ext/protoc/extconf.rb'
 
   spec.add_development_dependency 'bundler', '~> 1.0'
-  spec.add_development_dependency 'rake', '~> 11.0'
+  spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rubygems-tasks', '~> 0.2'
   spec.add_runtime_dependency 'Platform', '~> 0.4'
 end