diff --git a/package.json b/package.json
index cce5058..bfe710b 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "@babel/preset-env": "^7.23.2",
     "@babel/preset-typescript": "^7.23.2",
     "@types/async": "^3.2.22",
+    "@types/debug": "^4.1.10",
     "@types/jest": "^29.5.6",
     "@types/jsonata": "^1.5.1",
     "@types/lodash": "^4.14.200",