diff --git a/package.json b/package.json
index 72628d0..5ed0df7 100644
--- a/package.json
+++ b/package.json
@@ -137,7 +137,7 @@
     "uint8arrays": "^5.0.1"
   },
   "devDependencies": {
-    "aegir": "^41.1.9",
+    "aegir": "^42.2.2",
     "benchmark": "^2.1.4",
     "bl": "^6.0.0",
     "it-all": "^3.0.4"