diff --git a/openapi.yaml b/openapi.yaml
index 6f1a93086..b085a01e3 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -2948,7 +2948,7 @@ paths:
         content:
           application/json:
             schema:
-              $ref: '#/components/schemas/SystemMessage'
+              $ref: '#/components/schemas/MessageEvent'
       responses:
         '200':
           description: Message sent successfully
@@ -3045,7 +3045,7 @@ paths:
         content:
           application/json:
             schema:
-              $ref: '#/components/schemas/UserMessage'
+              $ref: '#/components/schemas/MessageEvent'
       responses:
         '200':
           description: Message sent successfully
@@ -3079,7 +3079,7 @@ paths:
         content:
           application/json:
             schema:
-              $ref: '#/components/schemas/SystemActionEvent'
+              $ref: '#/components/schemas/MessageEvent'
       responses:
         '200':
           description: Action sent successfully