diff --git a/package.json b/package.json
index f53598e..7e674cd 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "rollup-plugin-commonjs": "^8.0.2",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-uglify": "^2.0.1",
-    "sinon": "^3.0.0",
+    "sinon": "^8.0.1",
     "tcomb": "^3.2.21",
     "webpack": "^3.0.0",
     "webpack-dev-server": "^2.5.0"