diff --git a/package.json b/package.json
index fb770b0..a79cded 100644
--- a/package.json
+++ b/package.json
@@ -7,10 +7,10 @@
     "test": "test"
   },
   "dependencies": {
-    "async": "^1.4.2"
+    "async": "^2.1.2"
   },
   "devDependencies": {
-    "tap": "~0.4.0"
+    "tap": "~8.0.0"
   },
   "scripts": {
     "test": "tap test/*.js"