diff --git a/Gemfile.lock b/Gemfile.lock
index 898d36d2843..b381a9b906d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
       nokogiri (~> 1.12)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.8.2)
+    json (2.9.0)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)