diff --git a/Gemfile.lock b/Gemfile.lock
index f3608a9..25c0fcc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,7 +144,7 @@ GEM
     thread_safe (0.3.6)
     tilt (2.0.10)
     trollop (2.9.9)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)