diff --git a/package.json b/package.json
index d66ea13..53ba555 100644
--- a/package.json
+++ b/package.json
@@ -143,6 +143,6 @@
     "uint8arraylist": "^2.0.0"
   },
   "devDependencies": {
-    "aegir": "^37.4.5"
+    "aegir": "^38.1.8"
   }
 }