diff --git a/.gitignore b/.gitignore
index 277d9e0..9bffc18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ lksctp-tools-1.0.11.tar.gz
 /lksctp-tools-1.0.16.tar.gz
 /lksctp-tools-1.0.18.tar.gz
 /lksctp-tools-1.0.19.tar.gz
+/lksctp-tools-1.0.21.tar.gz
diff --git a/lksctp-tools.spec b/lksctp-tools.spec
index d8a178f..4de14d2 100644
--- a/lksctp-tools.spec
+++ b/lksctp-tools.spec
@@ -1,7 +1,7 @@
 Name:    lksctp-tools
 Summary: User-space access to Linux Kernel SCTP
-Version: 1.0.19
-Release: 8%{?dist}
+Version: 1.0.21
+Release: 1%{?dist}
 # src/apps/bindx_test.C is GPLv2, I've asked upstream for clarification
 License: GPLv2 and GPLv2+ and LGPLv2 and MIT
 Group:   System Environment/Libraries
@@ -78,6 +78,9 @@ find $RPM_BUILD_ROOT -type f -name "*.la" -delete
 %doc doc/*.txt
 
 %changelog
+* Sun Dec 15 2024 Xin Long <lxin@redhat.com> - 1.0.21-1
+- Updated to 1.0.21
+
 * Tue Oct 29 2024 Troy Dawson <tdawson@redhat.com> - 1.0.19-8
 - Bump release for October 2024 mass rebuild:
   Resolves: RHEL-64018
diff --git a/sources b/sources
index 0820490..f93d0db 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (lksctp-tools-1.0.19.tar.gz) = dc4b3e4cc7e7b0348e4a71297154cf25cb11b583832220281807d90a9f65a24003a8bc2a8c30f1d5d22bf9c182a877c955fb87d5c318e4bb7ad52557628db16b
+SHA512 (lksctp-tools-1.0.21.tar.gz) = dc8f38bd219adeb45acfdc35566563ef1f9315b0783b8c7e876ac31bfd20df74783b8270a676a5c6ed99ef6cc5a14dd868cfdfd59bf37a469d3e097085db900a