diff --git a/package.json b/package.json
index 7a91f729..b2b3dcb4 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "nyc": "^11.2.1",
     "p-retry": "^2.0.0",
     "proxyquire": "^2.0.0",
-    "sinon": "^4.0.0",
+    "sinon": "^5.0.1",
     "tempy": "^0.2.1",
     "xo": "^0.20.0"
   },