diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 25a847198bcfc..30851e513a8cb 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       sass-embedded (~> 1.75)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.12.2)
+    json (2.21.1)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)