diff --git a/Gemfile.lock b/Gemfile.lock
index 3f007690..c6aa7715 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -213,7 +213,7 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0)
-    json (2.1.0)
+    json (2.3.1)
     koala (3.0.0)
       addressable
       faraday