diff --git a/Gemfile.lock b/Gemfile.lock
index 68a34e8..355a798 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,9 +37,9 @@ GEM
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
     sqlite3 (1.3.10)
-    thread_safe (0.3.4)
+    thread_safe (0.3.6)
     timecop (0.7.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS