diff --git a/Gemfile.lock b/Gemfile.lock
index 030049d..34b8115 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,9 +83,9 @@ GEM
       sprockets (>= 2.8, < 4.0)
     sqlite3 (1.3.11)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     timers (1.1.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS