diff --git a/pyproject.toml b/pyproject.toml
index 6fada2b..17dc36d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "zhipuai"
-version = "2.1.5.a1"
+version = "2.1.5.20250725"
 description = "A SDK library for accessing big model apis from ZhipuAI"
 authors = ["Zhipu AI"]
 readme = "README.md"
diff --git a/zhipuai/__version__.py b/zhipuai/__version__.py
index e40c152..593664b 100644
--- a/zhipuai/__version__.py
+++ b/zhipuai/__version__.py
@@ -1 +1 @@
-__version__ = 'v2.1.5.a1'
\ No newline at end of file
+__version__ = 'v2.1.5.20250725'
\ No newline at end of file