diff --git a/api/pyproject.toml b/api/pyproject.toml
index 636cd20cde..c498336b7d 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "dify-api"
-version="1.4.3"
+version = "1.4.3"
 requires-python = ">=3.11,<3.13"
 
 dependencies = [