diff --git a/package-lock.json b/package-lock.json
index d561175..d8aebdd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
       },
       "engines": {
         "node": "^16.0.0",
-        "npm": "^7.0.0 || ^8.0.0"
+        "npm": "^7.0.0 || ^8.0.0 || ^9.0.0"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/package.json b/package.json
index 393b3a5..b5e50f3 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   ],
   "engines": {
     "node": "^16.0.0",
-    "npm": "^7.0.0 || ^8.0.0"
+    "npm": "^7.0.0 || ^8.0.0 || ^9.0.0"
   },
   "devDependencies": {
     "@nextcloud/babel-config": "^1.0.0",