diff --git a/Gemfile.lock b/Gemfile.lock
index 1f9bb758..6bfa9f02 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
     jekyll-twitter-plugin (2.1.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.18.0)
+    json (2.19.2)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)