diff --git a/Gemfile.lock b/Gemfile.lock
index cc7f718..2086817 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -199,7 +199,7 @@ GEM
       libv8 (~> 3.16.14.0)
       ref
     thor (0.18.1)
-    thread_safe (0.1.2)
+    thread_safe (0.1.3)
       atomic
     tilt (1.4.1)
     treetop (1.4.15)
--
libgit2 0.21.2