diff --git a/azure/functions/__init__.py b/azure/functions/__init__.py
index cb6371da..e3ffe6cf 100644
--- a/azure/functions/__init__.py
+++ b/azure/functions/__init__.py
@@ -107,4 +107,4 @@
     'McpPropertyType'
 )
 
-__version__ = '1.25.0b3'
+__version__ = '1.25.0b4'