diff --git a/hdf.spec b/hdf.spec
index 97a2fc7..7fa948e 100644
--- a/hdf.spec
+++ b/hdf.spec
@@ -7,7 +7,7 @@
 
 Name: hdf
 Version: 4.3.0
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: A general purpose library and file format for storing scientific data
 # Automatically converted from old format: BSD - review is highly recommended.
 License: LicenseRef-Callaway-BSD
@@ -246,6 +246,9 @@ make -j1 -C build-static check
 
 
 %changelog
+* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 4.3.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
 * Sun Jan 19 2025 Antonio Trande <sagitter@fedoraproject.org> - 4.3.0-3
 - Fix GCC15 builds