diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2024-07-01/virtualWan.json b/specification/network/resource-manager/Microsoft.Network/stable/2024-07-01/virtualWan.json
index 2cdf5a3ced3f..651438a84ba9 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2024-07-01/virtualWan.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2024-07-01/virtualWan.json
@@ -8950,7 +8950,7 @@
         },
         "configurationPolicyGroupAssociations": {
           "type": "array",
-          "readOnly": true,
+          "readOnly": false,
           "items": {
             "$ref": "./network.json#/definitions/SubResource"
           },