diff --git a/plugins/modules/gcp_storage_bucket.py b/plugins/modules/gcp_storage_bucket.py
index cfa4b7d..6d6873b 100644
--- a/plugins/modules/gcp_storage_bucket.py
+++ b/plugins/modules/gcp_storage_bucket.py
@@ -699,7 +699,7 @@ projectNumber:
   description:
   - The project number of the project the bucket belongs to.
   returned: success
-  type: int
+  type: str
 storageClass:
   description:
   - The bucket's default storage class, used whenever no storageClass is specified