diff --git a/Gemfile.lock b/Gemfile.lock
index c9019a24..cf4a63e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -123,7 +123,7 @@ GEM
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    json (2.2.0)
+    json (2.3.1)
     jwt (2.1.0)
     kramdown (2.1.0)
     kramdown-parser-gfm (1.0.1)