diff --git a/k3s-containerd.spec b/k3s-containerd.spec
index 1533477..3d656a3 100644
--- a/k3s-containerd.spec
+++ b/k3s-containerd.spec
@@ -3,12 +3,12 @@
 %global version_suffix k3s1
 Version:        1.6.6
 Name:           k3s-containerd
-Release:        5
+Release:        6
 Summary:        An industry-standard container runtime
 License:        Apache-2.0
 URL:            https://github.com/k3s-io/containerd
 Source0:        https://github.com/k3s-io/containerd/archive/refs/tags/v%{version}-%{version_suffix}.tar.gz
-#source1 version sys@v0.0.0-20220908164124-27713097b956
+#source1 from https://github.com/golang/sys version: v0.4.0
 Source1:        sys.tar.gz
 Patch0:         bbolt-add-loong64-support.patch
 
@@ -75,6 +75,9 @@ cp -rf %{_builddir}/containerd-%{version}-%{version_suffix}/. %{buildroot}%{_lib
 
 
 %changelog
+* Wed Jul 12 2023 huajingyun <huajingyun@loongson.cn> - 1.6.6-k3s1-6
+- Update sys to v0.4.0
+
 * Tue Jun 06 2023 huajingyun <huajingyun@loongson.cn> - 1.6.6-k3s1-5
 - Add loong64 support
 
diff --git a/sys.tar.gz b/sys.tar.gz
index c4b4005..3846aa8 100644
Binary files a/sys.tar.gz and b/sys.tar.gz differ