diff --git a/package.json b/package.json
index 39d58f4..3d6aceb 100644
--- a/package.json
+++ b/package.json
@@ -210,7 +210,7 @@
     "@types/varint": "^6.0.0",
     "@typescript-eslint/eslint-plugin": "^5.6.0",
     "@typescript-eslint/parser": "^5.6.0",
-    "aegir": "^37.5.6",
+    "aegir": "^40.0.11",
     "jsdoc4readme": "^1.4.0"
   },
   "browser": {