diff --git a/Gemfile.lock b/Gemfile.lock
index b4c380d..1bcb3c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -137,7 +137,7 @@ GEM
     rack-test (0.8.2)
       rack (>= 1.0, < 3)
     raindrops (0.15.0)
-    rake (10.0.4)
+    rake (12.3.3)
     rspec (2.13.0)
       rspec-core (~> 2.13.0)
       rspec-expectations (~> 2.13.0)