diff --git a/PKGBUILD b/PKGBUILD
index 3b418d15..a79e95fe 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,5 +1,5 @@
 pkgname=build
-pkgver=20210819
+pkgver=20210820
 pkgrel=0
 pkgdesc="Build packages in sandbox"
 arch=('i686' 'x86_64')
diff --git a/_service b/_service
index 5d4a714f..decbed48 100644
--- a/_service
+++ b/_service
@@ -1,7 +1,7 @@
 <services>
   <service name="tar_scm" mode="manual">
-    <param name="revision">20210819</param>
-    <param name="version">20210819</param>
+    <param name="revision">20210820</param>
+    <param name="version">20210820</param>
     <param name="url">git://github.com/openSUSE/obs-build.git</param>
     <param name="scm">git</param>
     <param name="extract">dist/build.changes</param>
diff --git a/build.changes b/build.changes
index f60918e9..ef60ffb8 100644
--- a/build.changes
+++ b/build.changes
@@ -1,5 +1,5 @@
 -------------------------------------------------------------------
-Thu Aug 19 09:44:26 UTC 2021 - Adrian Schröter <adrian@suse.de>
+Fri Aug 20 07:44:26 UTC 2021 - Adrian Schröter <adrian@suse.de>
 
 Features:
 - cross architecture build support (for rpm and kiwi)
@@ -14,6 +14,7 @@ Features:
 - allow to disable squashfs in SimpleImage
 - supporting aarch64 kernel on armv?l distributions
 - kiwi: Add support for OBS-RemoteAsset and OBS-CopyToImage directives
+- container: FROM scratch build support
 
 Improvements:
 - supporting kvm builds as non-root user
diff --git a/build.dsc b/build.dsc
index c54e6566..c2e6536c 100644
--- a/build.dsc
+++ b/build.dsc
@@ -1,6 +1,6 @@
 Format: 1.0
 Source: build
-Version: 20210819
+Version: 20210820
 Binary: build
 Maintainer: Adrian Schroeter <adrian@suse.de>
 Architecture: all
diff --git a/build.spec b/build.spec
index 46b9dc83..fc2ac161 100644
--- a/build.spec
+++ b/build.spec
@@ -28,7 +28,7 @@ Name:           %{__pkg_name}
 Summary:        A Script to Build SUSE Linux RPMs
 License:        GPL-2.0-only OR GPL-3.0-only
 Group:          Development/Tools/Building
-Version:        20210819
+Version:        20210820
 Release:        0
 Source:         obs-build-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
diff --git a/debian.changelog b/debian.changelog
index b095b0af..393e70b4 100644
--- a/debian.changelog
+++ b/debian.changelog
@@ -1,4 +1,4 @@
-build (20210819) unstable; urgency=low
+build (20210820) unstable; urgency=low
 
   * Update to current git trunk
     - add sles11sp2 build config and adapt autodetection
diff --git a/obs-build-20210819.tar.gz b/obs-build-20210819.tar.gz
deleted file mode 100644
index 48d8e2f3..00000000
--- a/obs-build-20210819.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b4bb403f70644290df26c9e1f185cadfc3a196e98dc46def98a7a644fd58fe69
-size 483500
diff --git a/obs-build-20210820.tar.gz b/obs-build-20210820.tar.gz
new file mode 100644
index 00000000..851d6305
--- /dev/null
+++ b/obs-build-20210820.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:50509e6ad3f782c5eadf2c8e4e32557fc96da9239e7e02cd8b6e5c7353249be3
+size 484099