diff --git a/package.json b/package.json
index 57fdb9c..29476ad 100644
--- a/package.json
+++ b/package.json
@@ -174,7 +174,7 @@
     "wherearewe": "^2.0.1"
   },
   "devDependencies": {
-    "@libp2p/interface-mocks": "^8.0.2",
+    "@libp2p/interface-mocks": "^9.1.3",
     "@libp2p/interface-transport-compliance-tests": "^3.0.0",
     "@types/ws": "^8.2.2",
     "aegir": "^37.5.3",