diff --git a/package.json b/package.json
index 0a2e0b2..a455a95 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "homepage": "https://github.com/diasdavid/interface-transport",
   "devDependencies": {
-    "aegir": "^8.0.1"
+    "aegir": "^9.1.1"
   },
   "dependencies": {
     "chai": "^3.5.0",