diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 9e0e6f5..69febbf 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
     xcinvoke (0.3.0)