diff --git a/package.json b/package.json
index 8a98a26..c014232 100644
--- a/package.json
+++ b/package.json
@@ -43,8 +43,8 @@
     "varint": "^5.0.0"
   },
   "devDependencies": {
-    "aegir": "^12.3.0",
-    "chai": "^4.1.2",
+    "aegir": "^17.1.1",
+    "chai": "^4.2.0",
     "pre-push": "^0.1.1",
     "dirty-chai": "^2.0.1"
   },