diff --git a/Gemfile.lock b/Gemfile.lock
index b71e35a..b55b7e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,10 +60,10 @@ GEM
     rouge (1.11.1)
     safe_yaml (1.0.4)
     sass (3.4.22)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     yell (2.0.6)