diff --git a/package.json b/package.json
index 34a31be..2694ca9 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "rimraf": "^2.5.2",
     "sanitize.css": "^3.3.0",
     "shelljs": "^0.6.0",
-    "sinon": "^1.17.3",
+    "sinon": "^7.4.1",
     "style-loader": "^0.13.0",
     "stylelint": "^5.2.1",
     "stylelint-config-standard": "^4.0.1",