diff --git a/package.json b/package.json
index c5f75f2d37..9dd2ff953e 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "stryker-parent",
   "private": true,
   "devDependencies": {
-    "@types/chai": "4.2.6",
+    "@types/chai": "4.2.7",
     "@types/chai-as-promised": "7.1.2",
     "@types/glob": "^7.1.0",
     "@types/istanbul": "^0.4.29",