diff --git a/Gemfile b/Gemfile
index e0d9f97..0616a4c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,6 @@ gem 'builder', '3.0.0'
 gem 'sinatra', '1.3.2'
 gem 'async_sinatra', '1.0.0'
 gem 'haml', '3.1.1'
-gem 'rake', '0.9.0'
+gem 'rake', '12.3.3'
 gem 'thin', '1.2.11'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 79ae078..0759cc6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     rack (1.4.1)
     rack-protection (1.2.0)
       rack
-    rake (0.9.0)
+    rake (12.3.3)
     sinatra (1.3.2)
       rack (~> 1.3, >= 1.3.6)
       rack-protection (~> 1.2)
@@ -29,6 +29,6 @@ DEPENDENCIES
   async_sinatra (= 1.0.0)
   builder (= 3.0.0)
   haml (= 3.1.1)
-  rake (= 0.9.0)
+  rake (= 12.3.3)
   sinatra (= 1.3.2)
   thin (= 1.2.11)