diff --git a/makedumpfile.spec b/makedumpfile.spec
index b6194e1..3e94404 100644
--- a/makedumpfile.spec
+++ b/makedumpfile.spec
@@ -3,7 +3,7 @@
 Name: makedumpfile
 Version: 1.7.7
 Summary: make a small dumpfile of kdump
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 License: GPL-2.0-only
 URL: https://github.com/makedumpfile/makedumpfile
@@ -59,6 +59,9 @@ install -m 755 -D eppic_makedumpfile.so %{buildroot}/%{_libdir}/eppic_makedumpfi
 %license COPYING
 
 %changelog
+* Mon Jul 21 2025 Tao Liu <ltao@redhat.com> - 1.7.7-2
+- Fix a data race in multi-threading mode (--num-threads=N)
+
 * Thu Apr 24 2025 Lichen Liu <lichliu@redhat.com> - 1.7.7-1
 - Update to upstream 1.7.7