diff --git a/test_app/Gemfile.lock b/test_app/Gemfile.lock
index efb2716..4a0b81e 100644
--- a/test_app/Gemfile.lock
+++ b/test_app/Gemfile.lock
@@ -168,7 +168,7 @@ GEM
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (0.3.55)
+    tzinfo (0.3.61)
     xpath (0.1.3)
       nokogiri (~> 1.3)
     yettings (0.1.1)