diff --git a/Gemfile.lock b/Gemfile.lock
index bf289f5..05d600f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
     rspec-support (3.8.2)
     thread_safe (0.3.6)
     timecop (0.8.1)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS