diff --git a/Gemfile.lock b/Gemfile.lock
index 599c085..3f277d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,9 +85,9 @@ GEM
       rack (~> 1.4)
       rack-protection (~> 1.4)
       tilt (~> 1.3, >= 1.3.4)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (1.4.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext