diff --git a/Gemfile.lock b/Gemfile.lock
index cf7b17f..7e6d8e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
       gemoji (>= 3, < 5)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    json (2.7.6)
+    json (2.8.1)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)