diff --git a/package.json b/package.json
index 40aea95..bb5153d 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "got": "^9.0.0",
     "mocha": "^5.2.0",
     "nyc": "^12.0.2",
-    "sinon": "^6.0.1"
+    "sinon": "^7.2.3"
   },
   "homepage": "https://github.com/gucong3000/postcss-pie#readme",
   "keywords": [