diff --git a/Gemfile.lock b/Gemfile.lock
index 5ea8741..374c562 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,7 +63,7 @@ GEM
       thor (>= 0.18.1)
     ice_nine (0.11.2)
     io-console (0.8.2)
-    json (2.18.1)
+    json (2.19.2)
     kramdown (2.5.2)
       rexml (>= 3.4.4)
     kramdown-parser-gfm (1.1.0)