diff --git a/automake-1.18.tar.xz b/automake-1.18.1.tar.xz
similarity index 32%
rename from automake-1.18.tar.xz
rename to automake-1.18.1.tar.xz
index 36eadfb465b868bfd43d5cb9621ef2650b407774..c656e5ec2730d16476a7f7dd8936d377611e60ee 100644
--- a/automake-1.18.tar.xz
+++ b/automake-1.18.1.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5bdccca96b007a7e344c24204b9b9ac12ecd17f5971931a9063bdee4887f4aaf
-size 1652364
+oid sha256:168aa363278351b89af56684448f525a5bce5079d0b6842bd910fdd3f1646887
+size 1652392
diff --git a/automake.spec b/automake.spec
index 1e64db6485d3b843e3e86a87bf1ec6b951b51e00..2c639313c7a12e9b3e9c830c777c876181432132 100644
--- a/automake.spec
+++ b/automake.spec
@@ -1,9 +1,11 @@
+%global api_version 1.18
+
 %global __requires_exclude ^perl\\(Automake::
 %global __provides_exclude ^perl\\(Automake::
 
 Name:           automake
-Version:        1.18
-Release:        2
+Version:        1.18.1
+Release:        1
 Summary:        A tool for automatically generating Makefile.in files
 License:        GPL-2.0-or-later and GFDL-1.3-only and Public Domain and MIT
 URL:            https://www.gnu.org/software/automake/
@@ -44,8 +46,10 @@ autoreconf -iv
 %doc %{_docdir}/%{name}/*.tar.gz
 %license COPYING* AUTHORS doc/automake.info
 %{_bindir}/*
-%{_datadir}/automake-%{version}
-%{_datadir}/aclocal*
+%{_datadir}/automake-%{api_version}
+%{_datadir}/aclocal-%{api_version}
+%dir %{_datadir}/aclocal
+%{_datadir}/aclocal/README
 
 %files help
 %doc THANKS NEWS
@@ -53,6 +57,9 @@ autoreconf -iv
 %{_mandir}/man1/*
 
 %changelog
+* Fri Jun 27 2025 Funda Wang <fundawang@yeah.net> - 1.18.1-1
+- update to 1.18.1
+
 * Tue Jun 03 2025 laokz <zhangkai@iscas.ac.cn> - 1.18-2
 - chore: don't remove aclocal/README. Suggested by fly_fzc@gitee