diff --git a/Gemfile.lock b/Gemfile.lock
index 1ab3d31..6de19f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     diff-lcs (1.5.1)
-    dorian-arguments (0.3.2)
+    dorian-arguments (0.4.0)
       activesupport
       bigdecimal
       dorian-to_struct