diff --git a/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock b/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
index 0d5a5ca5..ac9a163b 100644
--- a/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
+++ b/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
@@ -194,11 +194,11 @@ GEM
       libv8 (~> 3.16.14.0)
       ref
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (2.7.1)
       execjs (>= 0.3.0)