diff --git a/Gemfile.lock b/Gemfile.lock
index faaa9f3..5b5be99 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -234,9 +234,9 @@ GEM
       sprockets (>= 2.8, < 4.0)
     sxp (0.1.5)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (2.0.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext