diff --git a/src/hugchat/hugchat.py b/src/hugchat/hugchat.py
index 3a9ac03..f355cc6 100644
--- a/src/hugchat/hugchat.py
+++ b/src/hugchat/hugchat.py
@@ -296,7 +296,7 @@ def delete_all_conversations(self) -> None:
 
         r = self.session.post(
             f"{self.hf_base_url}/chat/conversations?/delete",
-            headers={"Referer": "https://huggingface.co/chat"},
+            headers={"Referer": "https://huggingface.co/chat", "Origin": "https://huggingface.co", "Content-Type": "multipart/form-data; boundary=----WebKitFormBoundarywrIEW0Ame78HYisT"},
             cookies=self.get_cookies(),
             allow_redirects=True,
             files=settings,