diff --git a/Gemfile.lock b/Gemfile.lock
index dfc1162..b752b02 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     raindrops (0.11.0)
-    rake (10.0.4)
+    rake (12.3.3)
     rdoc (3.12.2)
       json (~> 1.4)
     ref (1.0.5)