diff --git a/Gemfile.lock b/Gemfile.lock
index b9dcd82..c73df35 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
       eventmachine (~> 1.2)
       listen (~> 3.0)
       rack-livereload (~> 0.3)
-    cgi (0.3.3)
+    cgi (0.3.6)
     colored (1.2)
     concurrent-ruby (1.1.10)
     cri (2.15.11)