diff --git a/_service b/_service
deleted file mode 100644
index 99fb926..0000000
--- a/_service
+++ /dev/null
@@ -1,14 +0,0 @@
-<services>
-	<service name="tar_scm" mode="disabled">
-		<param name="scm">git</param>
-		<param name="url">https://github.com/linux-can/can-utils</param>
-		<param name="revision">v2020.11.0</param>
-		<param name="parent-tag">v2020.11.0</param>
-		<param name="versionformat">2020.11.0</param>
-	</service>
-	<service name="recompress" mode="disabled">
-		<param name="file">*.tar</param>
-		<param name="compression">xz</param>
-	</service>
-	<service name="set_version" mode="disabled"/>
-</services>
diff --git a/can-utils-2020.11.0.tar.xz b/can-utils-2020.11.0.tar.xz
deleted file mode 100644
index f4f9e9f..0000000
--- a/can-utils-2020.11.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:875b2ffba82b47e15f5c3a6975ab55ab6d4975df6aeb16a297dfff3828b4454c
-size 101036
diff --git a/canutils.changes b/canutils.changes
index 42bfd9f..1df8c30 100644
--- a/canutils.changes
+++ b/canutils.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Dec 29 22:16:03 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2020.12.0
+  * candump: Enable zero relative timestamps to be used in
+    log files.
+  * "-tz" and "-ta" are now valid options for the logfile format.
+
 -------------------------------------------------------------------
 Mon Nov 30 12:46:23 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/canutils.spec b/canutils.spec
index 3b69a67..545b4aa 100644
--- a/canutils.spec
+++ b/canutils.spec
@@ -20,11 +20,10 @@ Name:           canutils
 Summary:        Utilities for Controller Area Networks from the Linux-CAN project
 License:        GPL-2.0-only AND BSD-3-Clause
 Group:          Hardware/Other
-Version:        2020.11.0
+Version:        2020.12.0
 Release:        0
 URL:            https://github.com/linux-can/can-utils
-
-Source:         can-utils-%version.tar.xz
+Source:         https://github.com/linux-can/can-utils/archive/v%version.tar.gz
 BuildRequires:  libtool
 BuildRequires:  pkg-config
 BuildRequires:  xz
@@ -47,7 +46,7 @@ SocketCAN subsystem.
 %autosetup -n can-utils-%version -p1
 
 %build
-./autogen.sh
+if test ! -e configure; then ./autogen.sh; fi
 %configure --disable-static
 %make_build
 
diff --git a/v2020.12.0.tar.gz b/v2020.12.0.tar.gz
new file mode 100644
index 0000000..9b5bb36
--- /dev/null
+++ b/v2020.12.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c5c22a00ce2ea7578d7617ac0affef8f47a349be58e708780d703b979f324a2b
+size 132010