diff --git a/Gemfile.lock b/Gemfile.lock
index 63f1475..585209d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.0.3)
-    rake (10.5.0)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -69,7 +69,7 @@ DEPENDENCIES
   bundler (~> 1.12)
   jekyll (~> 3.2)
   nuwit!
-  rake (~> 10.0)
+  rake (~> 12.3)
 
 BUNDLED WITH
    1.17.3
diff --git a/nuwit.gemspec b/nuwit.gemspec
index e77eab7..34599cf 100644
--- a/nuwit.gemspec
+++ b/nuwit.gemspec
@@ -14,5 +14,5 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "jekyll", "~> 3.2"
   spec.add_development_dependency "bundler", "~> 1.12"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 12.3"
 end