diff --git a/Gemfile b/Gemfile
index 8812395..8b496f6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem "middleman-search_engine_sitemap", "~> 1.3.0"
 gem "slim", "~> 3.0.6"
 
 # Heroku
-gem "rake", "~> 10.4.2"
+gem "rake", "~> 12.3.3"
 gem "rack-contrib", "~> 1.4.0"
 gem "rack-zippy", "~> 3.0.1"
 gem "puma"
diff --git a/Gemfile.lock b/Gemfile.lock
index 2122858..321ed49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rack-zippy (3.0.1)
-    rake (10.4.2)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -198,7 +198,7 @@ DEPENDENCIES
   puma
   rack-contrib (~> 1.4.0)
   rack-zippy (~> 3.0.1)
-  rake (~> 10.4.2)
+  rake (~> 12.3.3)
   slim (~> 3.0.6)
 
 BUNDLED WITH