diff --git a/brial-1.2.8.tar.bz2 b/brial-1.2.8.tar.bz2
deleted file mode 100644
index 2761b59..0000000
--- a/brial-1.2.8.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:deb95fc1a99b6f9324f1278fcb676a605b77d59f24683d6af87f573cb46d0a4f
-size 1228732
diff --git a/brial-1.2.9.tar.bz2 b/brial-1.2.9.tar.bz2
new file mode 100644
index 0000000..819ea19
--- /dev/null
+++ b/brial-1.2.9.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f466a76f04a1e9efdbc11f4fd550743b3214fe9e371927e5ca048ac923f149c0
+size 1230234
diff --git a/brial.changes b/brial.changes
index 2130468..d2cc7e0 100644
--- a/brial.changes
+++ b/brial.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Sep 25 09:18:02 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 1.2.9
+  * Build changes only: ax_*.m4 was updated
+
 -------------------------------------------------------------------
 Tue Sep 22 22:07:50 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/brial.spec b/brial.spec
index 7cfd1ff..a2808f6 100644
--- a/brial.spec
+++ b/brial.spec
@@ -18,20 +18,17 @@
 
 %define lname	libbrial3
 Name:           brial
-Version:        1.2.8
+Version:        1.2.9
 Release:        0
 Summary:        The Polynomials over Boolean Rings Computer Algebra System
 License:        GPL-2.0-or-later
 Group:          Productivity/Scientific/Math
 URL:            https://github.com/BRiAl/BRiAl
 Source:         https://github.com/BRiAl/BRiAl/releases/download/%version/%name-%version.tar.bz2
-BuildRequires:  autoconf-archive
-BuildRequires:  automake
 BuildRequires:  gcc-c++
 BuildRequires:  libboost_headers-devel >= 1.58
 BuildRequires:  libboost_test-devel >= 1.58
 BuildRequires:  libpng-devel
-BuildRequires:  libtool
 BuildRequires:  pkgconfig(m4ri)
 Provides:       bundled(cudd) = 2.5.0
 
@@ -75,10 +72,6 @@ developing with polybori/brial libraries.
 %autosetup -p1
 
 %build
-# refresh with riscv64 support
-rm -f m4/ax_boost_base.m4
-autoreconf -fi
-
 %configure --disable-static
 %make_build