diff --git a/Gemfile.lock b/Gemfile.lock
index 6464b5d24..b38e34623 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -226,7 +226,7 @@ GEM
     tilt (2.0.10)
     time_difference (0.7.0)
       activesupport (~> 5.1)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext