diff --git a/rust.spec b/rust.spec
index f78c5a37b73ae5db77cafad042696e18ee043faa..4c1a76d48a5f46e253e035eb00dc7fbcaa3f238a 100644
--- a/rust.spec
+++ b/rust.spec
@@ -25,7 +25,7 @@
 
 Name:                rust
 Version:             1.86.0
-Release:             7
+Release:             8
 Summary:             The Rust Programming Language
 License:             Apache-2.0 OR MIT
 URL:                 https://www.rust-lang.org
@@ -213,6 +213,7 @@ BuildRequires:       git
 Requires:            %{name} = %{version}-%{release}
 Obsoletes:           cargo-vendor <= 0.1.23
 Provides:            cargo-vendor = %{version}-%{release}
+Conflicts:           cargo-rpm-macros < 1:23
 %description -n cargo
 Cargo is a tool that allows Rust projects to declare their various dependencies
 and ensure that you'll always get a repeatable build.
@@ -550,6 +551,9 @@ export %{rust_env}
 %{_mandir}/man1/cargo*.1*
 
 %changelog
+* Thu Oct 23 2025 Funda Wang <fundawang@yeah.net> - 1.86.0-8
+- add conflicts on older version of cargo-rpm-macros
+
 * Thu Sep 25 2025 swcompiler <lc@wxiat.com> - 1.86.0-7
 - Add support for Sw64