diff --git a/python-stringzilla.spec b/python-stringzilla.spec
index a8185fdeead06b03eb8e7389843b9ef8acb22660..9052af1110825a55adc3d5ae015eb4803e969262 100644
--- a/python-stringzilla.spec
+++ b/python-stringzilla.spec
@@ -1,12 +1,12 @@
 %global _empty_manifest_terminate_build 0
+%global pypi_name stringzilla
 Name:		python-stringzilla
-Version:	3.12.5
+Version:	4.2.0
 Release:	1
 Summary:	SIMD-accelerated string search, sort, hashes, fingerprints, & edit distances
 License:	Apache-2.0
 URL:		https://github.com/ashvardanian/stringzilla
-Source0:	https://files.pythonhosted.org/packages/91/77/6e458f53f3ae04df00fd499a124561ad626253bf1c4ee6e2f027e2ddb547/stringzilla-3.12.5.tar.gz
-
+Source0:        https://files.pythonhosted.org/packages/source/s/%{pypi_name}/%{pypi_name}-%{version}.tar.gz       
 %description
 StringZilla
 
@@ -24,7 +24,7 @@ BuildRequires:	gdb
 StringZilla
 
 %prep
-%autosetup -n stringzilla-3.12.5
+%autosetup -n stringzilla-%{version}
 
 %build
 %pyproject_build
@@ -59,5 +59,12 @@ mv %{buildroot}/doclist.lst .
 %{python3_sitearch}/*
 
 %changelog
+* Sat Oct 11 2025 Yu Peng <yupeng@kylinos.cn> - 4.2.0-1
+- Upgrade to 4.2.0 
+  * Add: Check comp-time capabilities
+  * Add: sz_cap_goldmont_k capability!
+  * Fix: Avoid unaligned SHA loads on ArmV7
+  * Fix: Sign conversion warning
+
 * Wed May 14 2025 Python_Bot <Python_Bot@openeuler.org> - 3.12.5-1
 - Package Spec generated
diff --git a/stringzilla-3.12.5.tar.gz b/stringzilla-3.12.5.tar.gz
deleted file mode 100644
index 933abb6103b4b9b71b46dd736f086fe48ed662f7..0000000000000000000000000000000000000000
Binary files a/stringzilla-3.12.5.tar.gz and /dev/null differ
diff --git a/stringzilla-4.2.0.tar.gz b/stringzilla-4.2.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..9d5e2c93f05822ba7807d7e91667a59046179dea
Binary files /dev/null and b/stringzilla-4.2.0.tar.gz differ