diff --git a/Gemfile.lock b/Gemfile.lock
index 336e821..104dc5d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     pry-byebug (3.4.1)
       byebug (~> 9.0)
       pry (~> 0.10)
-    rake (11.3.0)
+    rake (12.3.3)
     simplecov (0.12.0)
       docile (~> 1.1.0)
       json (>= 1.8, < 3)