diff --git a/h2-4.2.0.tar.gz b/h2-4.2.0.tar.gz
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diff --git a/h2-4.3.0.tar.gz b/h2-4.3.0.tar.gz
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diff --git a/python-h2.spec b/python-h2.spec
index 5defe7e40598255cd801dec45d19d0d5f90bb297..38f40b7fe83f40588c8e8c4442731a1c3b6221e8 100644
--- a/python-h2.spec
+++ b/python-h2.spec
@@ -1,6 +1,6 @@
 Name:           python-h2
-Version:        4.2.0
-Release:        2
+Version:        4.3.0
+Release:        1
 Summary:        A HTTP/2 protocol stack for Python
 License:        MIT
 URL:            https://python-hyper.org/en/latest/
@@ -62,6 +62,10 @@ PYTHONPATH=%{buildroot}%{python3_sitelib}  %{__python3} -m pytest
 %doc html LICENSE
 
 %changelog
+* Tue Aug 26 2025 liweigang <liweiganga@gmail.com> - 4.3.0-1
+- update to version 4.3.0
+- Fix CVE-2025-57804
+
 * Mon Aug 25 2025 yaoxin <1024769339@qq.com> - 4.2.0-2
 - Remove unused buildrequires js-jquery and js-underscore