diff --git a/Gemfile.lock b/Gemfile.lock
index e58d84b..074c459 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
     thor (0.14.6)
     treetop (1.4.9)
       polyglot (>= 0.3.1)
-    tzinfo (0.3.25)
+    tzinfo (0.3.26)
     warden (1.0.3)
       rack (>= 1.0.0)