diff --git a/docs/v3/Gemfile.lock b/docs/v3/Gemfile.lock
index 2bc7a29e5f6..b72839b0c6b 100644
--- a/docs/v3/Gemfile.lock
+++ b/docs/v3/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    json (2.3.1)
+    json (2.5.1)
     kramdown (2.3.0)
       rexml
     libv8 (8.4.255.0)