diff --git a/Gemfile.lock b/Gemfile.lock
index 1b0d4e7..76c1c2e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       concurrent-ruby (~> 1.0)
     iniparse (1.4.4)
     jaro_winkler (1.5.3)
-    json (2.2.0)
+    json (2.3.1)
     listen (3.2.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)