diff --git a/package.json b/package.json
index 1efcc2e8..2dd3401d 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "nyc": "^12.0.1",
     "p-retry": "^2.0.0",
     "proxyquire": "^2.0.0",
-    "sinon": "^5.0.1",
+    "sinon": "^6.0.0",
     "tempy": "^0.2.1",
     "xo": "^0.21.0"
   },