diff --git a/Gemfile.lock b/Gemfile.lock
index a6e2c49..143eb3e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
   specs:
     eventmachine (1.2.7)
     minitest (5.11.3)
-    rake (10.5.0)
+    rake (12.3.3)
     rx (0.0.3)
 
 PLATFORMS
@@ -18,7 +18,7 @@ DEPENDENCIES
   bundler (~> 2.0)
   eventmachine
   minitest (~> 5.0)
-  rake (~> 10.0)
+  rake (~> 12.3)
   rsocket-rb!
   rx
 
diff --git a/rsocket-rb.gemspec b/rsocket-rb.gemspec
index f0cff1e..8d6c277 100644
--- a/rsocket-rb.gemspec
+++ b/rsocket-rb.gemspec
@@ -36,6 +36,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 2.0"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 12.3"
   spec.add_development_dependency "minitest", "~> 5.0"
 end