diff --git a/Gemfile.lock b/Gemfile.lock
index 7e55fce..309bceb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -123,7 +123,7 @@ GEM
       builder (>= 2.1.2)
       jwt (~> 1.0)
       multi_json (>= 1.3.0)
-    tzinfo (0.3.37)
+    tzinfo (0.3.61)
     uglifier (2.1.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)