diff --git a/package.json b/package.json
index 1a2e68fc..f4bc57a5 100644
--- a/package.json
+++ b/package.json
@@ -117,7 +117,7 @@
     "@rollup/plugin-terser": "0.4.4",
     "@types/core-js": "2.5.8",
     "assert": "2.1.0",
-    "async-test-util": "2.2.1",
+    "async-test-util": "2.5.0",
     "browserify": "17.0.0",
     "child-process-promise": "2.2.1",
     "clone": "2.1.2",