diff --git a/package.json b/package.json
index be3d4b0..b4abc96 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "ow",
-	"version": "0.4.0",
+	"version": "0.5.0",
 	"description": "Function argument validation for humans",
 	"license": "MIT",
 	"repository": "sindresorhus/ow",