diff --git a/release/upload_casync_release.py b/release/upload_casync_release.py
index 82086f1759..2e12de7de2 100755
--- a/release/upload_casync_release.py
+++ b/release/upload_casync_release.py
@@ -18,4 +18,4 @@ if __name__ == "__main__":
     if f.is_file():
       blob_name = f.relative_to(casync_dir)
       print(f"uploading {f} to {blob_name}")
-      OPENPILOT_RELEASES_CONTAINER.upload_file(str(f), str(blob_name))
+      OPENPILOT_RELEASES_CONTAINER.upload_file(str(f), str(blob_name), overwrite=True)
diff --git a/tools/lib/azure_container.py b/tools/lib/azure_container.py
index 52b2f37dbf..670dad1380 100644
--- a/tools/lib/azure_container.py
+++ b/tools/lib/azure_container.py
@@ -57,18 +57,18 @@ class AzureContainer:
     ext = "hevc" if log_type.endswith('camera') else "bz2"
     return self.BASE_URL + f"{route_name.replace('|', '/')}/{segment_num}/{log_type}.{ext}"
 
-  def upload_bytes(self, data: bytes | IO, blob_name: str) -> str:
+  def upload_bytes(self, data: bytes | IO, blob_name: str, overwrite=False) -> str:
     from azure.storage.blob import BlobClient
     blob = BlobClient(
       account_url=self.ACCOUNT_URL,
       container_name=self.CONTAINER,
       blob_name=blob_name,
       credential=get_azure_credential(),
-      overwrite=False,
+      overwrite=overwrite,
     )
     blob.upload_blob(data)
     return self.BASE_URL + blob_name
 
-  def upload_file(self, path: str | os.PathLike, blob_name: str) -> str:
+  def upload_file(self, path: str | os.PathLike, blob_name: str, overwrite=False) -> str:
     with open(path, "rb") as f:
-      return self.upload_bytes(f, blob_name)
+      return self.upload_bytes(f, blob_name, overwrite)