diff --git a/Gemfile.lock b/Gemfile.lock
index e4bf882..ff5754d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,7 +68,7 @@ GEM
       rack
     rack-test (0.7.0)
       rack (>= 1.0, < 3)
-    rake (12.0.0)
+    rake (12.3.1)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)