diff --git a/swig-4.1.1.tar.gz b/swig-4.2.1.tar.gz
similarity index 51%
rename from swig-4.1.1.tar.gz
rename to swig-4.2.1.tar.gz
index 95ae457e8b70c64d6b684053a6af293f0c54c170..cea2bac96e198d69100d67d45541d56c225177e4 100644
Binary files a/swig-4.1.1.tar.gz and b/swig-4.2.1.tar.gz differ
diff --git a/swig.spec b/swig.spec
index 9ff15112fa5ea82adf15b13dd4f30baec5367d2d..c5a124a7bce86c3f25c29682ba641a70663625cb 100644
--- a/swig.spec
+++ b/swig.spec
@@ -1,5 +1,5 @@
 Name:          swig
-Version:       4.1.1
+Version:       4.2.1
 Release:       1
 Summary:       Links C/C++/Objective C to languages for some advanced programing
 License:       GPLv3+ and BSD
@@ -99,6 +99,9 @@ install -pm 644 Tools/swig.gdb %{buildroot}%{_datadir}/%{name}/gdb
 %{_mandir}/man1/swig.1*
 
 %changelog
+* Tue Apr 02 2024 maqi <maqi@uniontech.com> - 4.2.1-1
+- Update to 4.2.1
+
 * Thu Aug 24 2023 liyanan <thistleslyn@163.com> - 4.1.1-1
 - Update to 4.1.1