diff --git a/Gemfile.lock b/Gemfile.lock
index 480f64554a..8fec88998b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
       sassc (> 2.0.1, < 3.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.15.1)
+    json (2.15.2.1)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)