diff --git a/sdk/storage/azure-storage-blob/azure/storage/blob/_container_client.py b/sdk/storage/azure-storage-blob/azure/storage/blob/_container_client.py
index 575611c4e7a9..e43c9c1c32de 100644
--- a/sdk/storage/azure-storage-blob/azure/storage/blob/_container_client.py
+++ b/sdk/storage/azure-storage-blob/azure/storage/blob/_container_client.py
@@ -877,6 +877,13 @@ def delete_blob(
             Required if the blob has associated snapshots. Values include:
              - "only": Deletes only the blobs snapshots.
              - "include": Deletes the blob along with all snapshots.
+        :keyword str version_id:
+            The version id parameter is an opaque DateTime
+            value that, when present, specifies the version of the blob to delete.
+
+            .. versionadded:: 12.4.0
+            This keyword argument was introduced in API version '2019-12-12'.
+
         :keyword lease:
             Required if the blob has an active lease. Value can be a BlobLeaseClient object
             or the lease ID as a string.
diff --git a/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_container_client_async.py b/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_container_client_async.py
index 0554fc661459..635dab1a20ae 100644
--- a/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_container_client_async.py
+++ b/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_container_client_async.py
@@ -752,6 +752,13 @@ async def delete_blob(
             Required if the blob has associated snapshots. Values include:
              - "only": Deletes only the blobs snapshots.
              - "include": Deletes the blob along with all snapshots.
+        :keyword str version_id:
+            The version id parameter is an opaque DateTime
+            value that, when present, specifies the version of the blob to delete.
+
+            .. versionadded:: 12.4.0
+            This keyword argument was introduced in API version '2019-12-12'.
+
         :keyword lease:
             Required if the blob has an active lease. Value can be a Lease object
             or the lease ID as a string.