diff --git a/Gemfile.lock b/Gemfile.lock
index 554365d..bdf633b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     jaro_winkler (1.5.4)
-    json (2.2.0)
+    json (2.3.1)
     kwalify (0.7.2)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)