diff --git a/Gemfile.lock b/Gemfile.lock
index f76868b..61bbedf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     simplecov-html (0.12.2)
     thread_safe (0.3.6)
     thread_safe (0.3.6-java)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     yard (0.9.25)