diff --git a/Gemfile.lock b/Gemfile.lock
index ece6bbf..c0eafbc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -324,7 +324,7 @@ GEM
       state_machines-activemodel (>= 0.3.0)
     stringex (2.6.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     truncate_html (0.9.2)
     turbolinks (2.5.3)
@@ -334,7 +334,7 @@ GEM
       cldr-plurals-runtime-rb (~> 1.0.0)
       json
       tzinfo
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (3.0.0)
       execjs (>= 0.3.0, < 3)