diff --git a/Gemfile.lock b/Gemfile.lock
index 2fd5749..aac3d64 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,7 @@ GEM
     maruku (0.6.0)
       syntax (>= 1.0.0)
     posix-spawn (0.3.6)
-    rake (0.9.2.2)
+    rake (12.3.3)
     rdiscount (1.6.8)
     rubyzip (0.9.5)
     syntax (1.0.0)