diff --git a/package.json b/package.json
index df6634e672..2589d58094 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "proj4": "2.4.4",
     "recast": "0.14.5",
     "serve": "^6.5.2",
-    "sinon": "4.4.2",
+    "sinon": "4.4.3",
     "url-polyfill": "^1.0.11",
     "walk": "^2.3.9",
     "webpack": "3.11.0",