diff --git a/package.json b/package.json
index dd9987c..12e37ef 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "dirty-chai": "^2.0.1",
     "libp2p-interfaces": "^0.2.0",
     "it-pipe": "^1.1.0",
-    "sinon": "^8.1.1",
+    "sinon": "^9.0.0",
     "streaming-iterables": "^4.1.1"
   },
   "dependencies": {