diff --git a/Gemfile.lock b/Gemfile.lock
index f6b36b5..ca43513 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     i18n (1.5.2)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.2)
-    json (2.1.0)
+    json (2.3.1)
     jwt (2.1.0)
     launchy (2.4.3)
       addressable (~> 2.3)