diff --git a/Gemfile.lock b/Gemfile.lock
index 34b1c9e..5f88f29 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
     dry-core (0.4.9)
       concurrent-ruby (~> 1.0)
     dry-equalizer (0.3.0)
-    json (2.1.0)
+    json (2.3.1)
     method_source (0.9.2)
     pry (0.12.2)
       coderay (~> 1.1.0)