diff --git a/Gemfile.lock b/Gemfile.lock
index 78633aae..e6ed4de6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,7 @@ GEM
       concurrent-ruby (~> 1.0)
     io-event (1.7.2)
     jmespath (1.6.2)
-    json (2.7.2)
+    json (2.7.4)
     kramdown (2.4.0)
       rexml
     listen (3.9.0)