diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index cfa36aa4..d991e1c8 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -204,7 +204,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)