diff --git a/testapp/Gemfile.lock b/testapp/Gemfile.lock
index f01a34b..28b1ee0 100644
--- a/testapp/Gemfile.lock
+++ b/testapp/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     timers (4.3.0)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)