diff --git a/Gemfile.lock b/Gemfile.lock
index ff79b62..3150f5e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
-    rake (11.1.2)
+    rake (12.3.3)
     sinatra (1.4.7)
       rack (~> 1.5)
       rack-protection (~> 1.4)