diff --git a/Gemfile.lock b/Gemfile.lock
index f67a1c6..5ac35cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,7 @@ GEM
     rspec-support (3.6.0)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS