diff --git a/vllm_flash_attn/__init__.py b/vllm_flash_attn/__init__.py
index dff177d4d..8aad61e60 100644
--- a/vllm_flash_attn/__init__.py
+++ b/vllm_flash_attn/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "2.5.9"
+__version__ = "2.5.9.post1"
 
 from vllm_flash_attn.flash_attn_interface import (
     flash_attn_func,