diff --git a/libxslt.spec b/libxslt.spec
index 2c84f13284402d2a72e59c030b6d325aaf7b2537..234367913f5fcbd2385951d5509fc46429ac79b4 100644
--- a/libxslt.spec
+++ b/libxslt.spec
@@ -1,4 +1,4 @@
-%define anolis_release 1
+%define anolis_release 2
 Name:           libxslt
 Summary:        Library providing the Gnome XSLT engine
 Version:        1.1.43
@@ -7,6 +7,7 @@ Release:        %{anolis_release}%{?dist}
 License:        MIT
 URL:            https://gitlab.gnome.org/GNOME/libxslt
 Source0:        https://download.gnome.org/sources/%{name}/1.1/%{name}-%{version}.tar.xz
+Patch0: libxslt-1.1.34-CVE-2024-55549.patch
 
 Provides: xsltproc = %{version}-%{release}
 
@@ -115,6 +116,11 @@ rm -vrf %{buildroot}%{_docdir}
 %{abidir}/libxsltmod.dump
 
 %changelog
+* Mon Apr 05 2024 Upstream Sync - 1.1.43-2
+- Sync upstream changes from commit dfaee045c4ac722d9678b560665330c7a1620cc7
+- Include alloc changes into libxslt-1.1.34-CVE-2024-55549.patch to fix memory leak in exclPrefixPush
+- Resolves: RHEL-83514
+
 * Thu May 15 2025 wenxin <wx02272781@alibaba-inc.com> - 1.1.43-1
 - update to 1.1.43