diff --git a/Gemfile.lock b/Gemfile.lock
index 630d32a..e13afe8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,7 +94,7 @@ GEM
     tilt (2.0.10)
     timers (4.1.2)
       hitimes
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)