diff --git a/server/Gemfile.lock b/server/Gemfile.lock
index 9b8dea0..a68662d 100644
--- a/server/Gemfile.lock
+++ b/server/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
       sprockets (>= 3.0.0)
     thor (1.0.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)