diff --git a/Gemfile.lock b/Gemfile.lock
index 429cf23..0034aa1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    rake (10.4.2)
+    rake (12.3.3)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -50,7 +50,7 @@ DEPENDENCIES
   airspace-jekyll!
   bundler (~> 1.12)
   jekyll (~> 3.2)
-  rake (~> 10.0)
+  rake (~> 12.3)
 
 BUNDLED WITH
    1.15.1
diff --git a/airspace-jekyll.gemspec b/airspace-jekyll.gemspec
index 3e3903b..4a1abf2 100644
--- a/airspace-jekyll.gemspec
+++ b/airspace-jekyll.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