diff --git a/Gemfile.lock b/Gemfile.lock
index 0a8472a..7b1b62c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -200,7 +200,7 @@ GEM
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.1)
       tzinfo (>= 1.0.0)