diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 1f120621b0c..f1fe46240a4 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -250,7 +250,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext