diff --git a/hassio/homeassistant.py b/hassio/homeassistant.py
index 588d45ca1..d7b34a762 100644
--- a/hassio/homeassistant.py
+++ b/hassio/homeassistant.py
@@ -393,7 +393,7 @@ class HomeAssistant(JsonConfig, CoreSysAttributes):
                 headers[hdrs.AUTHORIZATION] = f'Bearer {self.access_token}'
 
             async with getattr(self.sys_websession_ssl, method)(
-                    url, timeout=timeout, json=json, headers=headers
+                    url, data=data, timeout=timeout, json=json, headers=headers
             ) as resp:
                 # Access token expired
                 if resp.status == 401 and self.refresh_token: