diff --git a/package.json b/package.json
index c39f842..80f4724 100644
--- a/package.json
+++ b/package.json
@@ -192,7 +192,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.0",
-    "aegir": "^39.0.5",
+    "aegir": "^40.0.0",
     "benchmark": "^2.1.4",
     "protons": "^7.0.2"
   },