diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 1e16a550f6f73..c19cc3a730da1 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -293,7 +293,7 @@ GEM
     tomlrb (2.0.1)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.9)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext