diff --git a/package.json b/package.json
index 3ccffc6..1e0ead6 100644
--- a/package.json
+++ b/package.json
@@ -46,8 +46,8 @@
 		"es-shim API"
 	],
 	"dependencies": {
-		"define-properties": "^1.1.2",
-		"es-abstract": "^1.6.1",
+		"define-properties": "^1.1.3",
+		"es-abstract": "^1.13.0",
 		"is-string": "^1.0.4"
 	},
 	"devDependencies": {