diff --git a/Gemfile.lock b/Gemfile.lock
index 3a225c1..8fed72f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS