diff --git a/Gemfile.lock b/Gemfile.lock
index a88f6f9..4a91608 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
   specs:
     ffi (1.11.1)
     minitest (5.11.3)
-    rake (12.3.2)
+    rake (13.0.1)
     yard (0.9.20)
 
 PLATFORMS
@@ -18,7 +18,7 @@ PLATFORMS
 DEPENDENCIES
   bitcoin-secp256k1!
   minitest (= 5.11.3)
-  rake (~> 12.3)
+  rake (~> 13.0)
   yard (= 0.9.20)
 
 BUNDLED WITH
diff --git a/bitcoin-secp256k1.gemspec b/bitcoin-secp256k1.gemspec
index 758f34a..08325d3 100644
--- a/bitcoin-secp256k1.gemspec
+++ b/bitcoin-secp256k1.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency('ffi', '>= 1.9.25')
 
-  s.add_development_dependency('rake', '~> 12.3')
+  s.add_development_dependency('rake', '~> 13.0')
   s.add_development_dependency('minitest', '5.11.3')
   s.add_development_dependency('yard', '0.9.20')
 end