diff --git a/package.json b/package.json
index 3ab013c..b763886 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "nyc": "^13.0.1",
     "rollup": "^0.67.0",
     "rollup-plugin-babel": "^4.0.3",
-    "sinon": "^6.3.4",
+    "sinon": "^19.0.0",
     "sinon-chai": "^3.2.0",
     "twig": "^1.12.0",
     "xhr-mock": "^2.4.1"