diff --git a/package.json b/package.json
index beecd41..53b1402 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "rlp": "^2.0.0"
   },
   "devDependencies": {
-    "aegir": "^17.0.1",
+    "aegir": "^18.0.2",
     "chai": "^4.1.2",
     "dirty-chai": "^2.0.1"
   },