diff --git a/Gemfile.lock b/Gemfile.lock
index 2a818a5..44c7913 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,12 +77,12 @@ GEM
     sqlite3 (1.3.9)
     test_helper (0.0.1)
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     versionist (1.3.0)
       rails (>= 3)