diff --git a/Gemfile.lock b/Gemfile.lock
index a299c20..131b8f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
     thread_safe (0.3.6)
     timers (4.1.2)
       hitimes
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)