diff --git a/0003-use-config.toml-as-config.patch b/0003-use-config.toml-as-config.patch
new file mode 100644
index 0000000000000000000000000000000000000000..79764ac1a4597f4596a258772932a49964b2ecdb
--- /dev/null
+++ b/0003-use-config.toml-as-config.patch
@@ -0,0 +1,13 @@
+diff --git a/data/macros.cargo b/data/macros.cargo
+index e54705a..eff8bae 100644
+--- a/data/macros.cargo
++++ b/data/macros.cargo
+@@ -18,7 +18,7 @@
+ %cargo_prep (\
+ set -eu \
+ %{__mkdir} -p .cargo \
+-cat > .cargo/config << EOF \
++cat > .cargo/config.toml << EOF \
+ [build]\
+ rustc = "%{__rustc}"\
+ rustdoc = "%{__rustdoc}"\
diff --git a/rust-packaging.spec b/rust-packaging.spec
index 163d0a570a08e7d0b2b62ff26ce4cbabf9e5805f..6a3389b87144fcb17c7143597929c580870e10a1 100644
--- a/rust-packaging.spec
+++ b/rust-packaging.spec
@@ -4,13 +4,14 @@
 
 Name:           rust-packaging
 Version:        23
-Release:        2
+Release:        3
 Summary:        RPM macros for building Rust packages on various architectures
 License:        MIT
 URL:            https://pagure.io/fedora-rust/rust2rpm
 Source:         https://pagure.io/fedora-rust/rust2rpm/archive/v%{version}/rust2rpm-v%{version}.tar.gz
 Patch1:         0001-remove-test-spec-with-opensuse-tomlfile.patch
 Patch2:         0002-rust-macros-do-not-strip.patch
+Patch3:         0003-use-config.toml-as-config.patch
 
 BuildRequires:  python3-devel python3-setuptools
 BuildRequires:  python3-pbr python3-pip python3-wheel
@@ -75,6 +76,9 @@ PYTEST_XDIST_AUTO_NUM_WORKERS=%{_smp_build_ncpus} \
 %{python3_sitelib}/rust2rpm-*.dist-info/
 
 %changelog
+* Sun Aug 17 2025 Funda Wang <fundawang@yeah.net> - 23-3
+- use config.toml rather than config for projects
+
 * Mon Aug 04 2025 Funda Wang <fundawang@yeah.net> - 23-2
 - do not strip binaries, as it is required for debugsource generating