diff --git a/.gitignore b/.gitignore
index f87d200..ddcd3fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/linux-4.18.0-323.el8.tar.xz
+SOURCES/linux-4.18.0-329.el8.tar.xz
diff --git a/.libbpf.metadata b/.libbpf.metadata
index cd3e09a..315fede 100644
--- a/.libbpf.metadata
+++ b/.libbpf.metadata
@@ -1 +1 @@
-29c599a5f49b0da8573353f7540ce5f8cc464be9 SOURCES/linux-4.18.0-323.el8.tar.xz
+7ba8469ace33799986661bb85d33364ac03d87b0 SOURCES/linux-4.18.0-329.el8.tar.xz
diff --git a/SPECS/libbpf.spec b/SPECS/libbpf.spec
index 0cfd368..b8121f8 100644
--- a/SPECS/libbpf.spec
+++ b/SPECS/libbpf.spec
@@ -4,11 +4,11 @@
 # used as kernel tar.
 
 # RHEL kernel version-release
-%define kver   4.18.0-323
+%define kver   4.18.0-329
 %define source linux-%{kver}.el8
 
 Name:           libbpf
-Version:        0.3.0
+Version:        0.4.0
 Release:        1%{?dist}
 Summary:        Libbpf library
 
@@ -68,6 +68,9 @@ popd
 %{_libdir}/libbpf.a
 
 %changelog
+* Wed Aug 18 2021 Jiri Olsa <jolsa@redhat.com> - 0.4.0-1
+- update [1995111]
+
 * Wed Jul 21 2021 Jiri Olsa <jolsa@redhat.com> - 0.3.0-1
 - update [1944754]