diff --git a/Gemfile.lock b/Gemfile.lock
index 426bf64..76da9e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
   specs:
     diff-lcs (1.3)
     libxml-ruby (3.2.4)
-    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 (~> 2.0)
   libxml_extensions!
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec
 
 BUNDLED WITH
diff --git a/libxml_extensions.gemspec b/libxml_extensions.gemspec
index b78e1b6..5868691 100644
--- a/libxml_extensions.gemspec
+++ b/libxml_extensions.gemspec
@@ -37,5 +37,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'libxml-ruby', '~> 3.0'
   spec.add_development_dependency 'rspec'
   spec.add_development_dependency "bundler", "~> 2.0"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 13.0"
 end