diff --git a/http/setup.py b/http/setup.py
index 6355842..457ff25 100644
--- a/http/setup.py
+++ b/http/setup.py
@@ -33,7 +33,7 @@ setup(
         "setuptools",
         "fastapi",
         "uvicorn[standard]",
-        "wcferry==39.0.0.0a2",
+        "wcferry==39.0.0.0a1",
     ],
     classifiers=[
         "Environment :: Win32 (MS Windows)",
diff --git a/http/wcfhttp/core.py b/http/wcfhttp/core.py
index e91d73e..5a9a8a3 100644
--- a/http/wcfhttp/core.py
+++ b/http/wcfhttp/core.py
@@ -10,7 +10,7 @@ from fastapi import Body, FastAPI
 from pydantic import BaseModel
 from wcferry import Wcf, WxMsg
 
-__version__ = "39.0.0.0a0"
+__version__ = "39.0.0.0a1"
 
 
 class Msg(BaseModel):