diff --git a/Gemfile.lock b/Gemfile.lock
index 74ae098..d44d843 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
   specs:
     power_assert (2.0.1)
     rake (13.0.6)
-    rake-compiler (1.1.1)
+    rake-compiler (1.2.7)
       rake
     test-unit (3.3.9)
       power_assert