diff --git a/Gemfile.lock b/Gemfile.lock
index 4b5315f..e396ed3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
     thread_safe (0.3.6)
     tilt (2.0.9)
     tins (1.20.2)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     webrick (1.4.2)