diff --git a/.gitignore b/.gitignore
index 3359c28..8e7f3e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ python-linux-procfs-0.4.4.tar.bz2
 /python-linux-procfs-0.4.10.tar.xz
 /python-linux-procfs-0.5.1.tar.xz
 /python-linux-procfs-0.6.1.tar.xz
+/python-linux-procfs-0.6.3.tar.xz
diff --git a/python-linux-procfs.spec b/python-linux-procfs.spec
index 9cad0a3..4d8c34e 100644
--- a/python-linux-procfs.spec
+++ b/python-linux-procfs.spec
@@ -4,12 +4,12 @@
 %endif
 
 Name: python-linux-procfs
-Version: 0.6.1
-Release: 10%{?dist}
+Version: 0.6.3
+Release: 1%{?dist}
 License: GPLv2
 Summary: Linux /proc abstraction classes
-Source: https://cdn.kernel.org/pub/software/libs/python/%{name}/%{name}-%{version}.tar.xz
-URL: https://rt.wiki.kernel.org/index.php/Tuna
+URL: https://git.kernel.org/pub/scm/libs/python/%{name}/%{name}.git
+Source: https://www.kernel.org/pub/software/libs/python/%{name}/%{name}-%{version}.tar.xz
 BuildArch: noarch
 BuildRequires: python3-devel
 BuildRequires: python3-setuptools
@@ -46,6 +46,10 @@ rm -rf %{buildroot}
 %license COPYING
 
 %changelog
+* Thu May 27 2021 John Kacur <jkacur@redhat.com> - 0.6.3-1
+- Rebase to latest upstream
+Resolves: rhbz#1890564
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 0.6.1-10
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
 
diff --git a/sources b/sources
index 19dd8d3..770507d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (python-linux-procfs-0.6.1.tar.xz) = 14f7510828d5a3eea1a8267041b604046392dbb8d7980b03b4d10bdefa88a89a5f69acdfea77255ba664c2ef33ce52273490214b3f76d2865e7b1dcc83e8e265
+SHA512 (python-linux-procfs-0.6.3.tar.xz) = 18e42bf12456893740c5ec950ffcca86945b1ff202a6ea3ae6ac800145771a39b4ab7e8bbb440210d48d0fe9de646e334095afd0b20060e2e28ab3fa844f6140