diff --git a/package.json b/package.json
index d3cbab6..7207e2e 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-watch": "^1.0.0",
     "matchdep": "^2.0.0",
-    "sinon": "^9.0.2",
+    "sinon": "^11.1.2",
     "tape": "^4.9.2",
     "webpack": "^4.28.1"
   },