diff --git a/Gemfile.lock b/Gemfile.lock
index 3f17ebd..7ced079 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
       tilt (~> 1.3, >= 1.3.3)
     thread_safe (0.3.6)
     tilt (1.3.3)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS