diff --git a/banners/Gemfile.lock b/banners/Gemfile.lock
index 8f38c47..f150fa6 100644
--- a/banners/Gemfile.lock
+++ b/banners/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
       actionpack (>= 3.1)
       execjs
       railties (>= 3.1)
-    tzinfo (0.3.37)
+    tzinfo (0.3.61)
     uglifier (2.0.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)