diff --git a/Gemfile.lock b/Gemfile.lock
index 042d2a3..4de3250 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
   specs:
     diff-lcs (1.3)
     graphql (1.9.12)
-    rake (10.5.0)
+    rake (13.0.6)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)
@@ -30,7 +30,7 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 1.16)
   graphql-result_cache!
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec (~> 3.0)
 
 BUNDLED WITH
diff --git a/graphql-result_cache.gemspec b/graphql-result_cache.gemspec
index 1274192..4a9caa3 100644
--- a/graphql-result_cache.gemspec
+++ b/graphql-result_cache.gemspec
@@ -20,7 +20,7 @@ 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', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
 
   spec.add_dependency 'graphql', '~> 1.9'