diff --git a/package-lock.json b/package-lock.json
index 16d069b697..32e0b08b7e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -139,7 +139,7 @@
       },
       "engines": {
         "node": ">=20.0.0",
-        "npm": ">=9.6.4",
+        "npm": ">=9.6.4 <11.0.0",
         "yarn": "YARN NO LONGER USED - use npm instead."
       },
       "optionalDependencies": {
diff --git a/package.json b/package.json
index 58f6bc4880..15325db95e 100644
--- a/package.json
+++ b/package.json
@@ -168,7 +168,7 @@
   },
   "engines": {
     "node": ">=20.0.0",
-    "npm": ">=9.6.4",
+    "npm": ">=9.6.4 <11.0.0",
     "yarn": "YARN NO LONGER USED - use npm instead."
   }
 }