diff --git a/crun.spec b/crun.spec
index 5f2d344..72b750a 100644
--- a/crun.spec
+++ b/crun.spec
@@ -1,7 +1,7 @@
 Summary: OCI runtime written in C
 Name: crun
-Version: 0.21
-Release: 4%{?dist}
+Version: 1.0
+Release: 1%{?dist}
 Source0: https://github.com/containers/%{name}/releases/download/%{version}/%{name}-%{version}.tar.gz
 License: GPLv2+
 URL: https://github.com/containers/crun
@@ -47,6 +47,10 @@ rm -rf %{buildroot}%{_prefix}/lib*
 %{_mandir}/man1/*
 
 %changelog
+* Fri Sep 03 2021 Jindrich Novy <jnovy@redhat.com> - 1.0-1
+- update to https://github.com/containers/crun/releases/tag/1.0
+- Related: #2000051
+
 * Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 0.21-4
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688
diff --git a/sources b/sources
index 9647094..5927543 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (crun-0.21.tar.gz) = d27f9db6d776a0bbe23c8c4c259e73b722191783873a4c69030a8c4f59789680a0922cc589a00b9b38aa64da96581ddb993d9c76027d21be3fafd21bef433517
+SHA512 (crun-1.0.tar.gz) = 31dc762e4d28cb2db550e1856668205a9683f676e8421f66a54e816384bab9e99560b23813606eb7b11359aa15de98d0ca4f88b938d48bb529203a12e432872a