diff --git a/Gemfile.lock b/Gemfile.lock
index ff5257b..9420b56 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS