diff --git a/package.json b/package.json
index 7397261..8b593c1 100644
--- a/package.json
+++ b/package.json
@@ -9,9 +9,9 @@
 		"object.getownpropertydescriptors": "^2.0.3"
 	},
 	"devDependencies": {
-		"@es-shims/api": "^1.2.0",
-		"@ljharb/eslint-config": "^11.0.0",
-		"eslint": "^3.19.0",
+		"@es-shims/api": "^2.1.2",
+		"@ljharb/eslint-config": "^12.2.1",
+		"eslint": "^4.19.1",
 		"safe-publish-latest": "^1.1.1"
 	},
 	"scripts": {