diff --git a/index.js b/index.js
index 0bbb642..feb41f1 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,7 @@ const core = require('@actions/core')
 const Neocities = require('async-neocities')
 const path = require('path')
 const ms = require('ms')
-const assert = require('nanoassert')
+const assert = require('webassert')
 const fsp = require('fs').promises
 
 async function doDeploy () {
diff --git a/package.json b/package.json
index a4fb9b9..c0b21b8 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@actions/core": "1.2.4",
     "async-neocities": "1.1.6",
     "ms": "^2.1.2",
-    "nanoassert": "^2.0.0"
+    "webassert": "^3.0.2"
   },
   "devDependencies": {
     "auto-changelog": "^2.0.0",