diff --git a/.gitignore b/.gitignore
index 2afdd54..2f6758b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 /darling_macro-0.14.3.crate
 /darling_macro-0.14.4.crate
 /darling_macro-0.20.3.crate
+/darling_macro-0.20.4.crate
diff --git a/rust-darling_macro.spec b/rust-darling_macro.spec
index 57bfba8..932956f 100644
--- a/rust-darling_macro.spec
+++ b/rust-darling_macro.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 24
+# Generated by rust2rpm 25
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate darling_macro
 
 Name:           rust-darling_macro
-Version:        0.20.3
+Version:        0.20.4
 Release:        %autorelease
 Summary:        Parse attributes into structs for custom derive implementations (internal support)
 
@@ -13,7 +13,7 @@ License:        MIT
 URL:            https://crates.io/crates/darling_macro
 Source:         %{crates_source}
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Internal support for a proc-macro library for reading attributes into
@@ -48,7 +48,7 @@ use the "default" feature of the "%{crate}" crate.
 %ghost %{crate_instdir}/Cargo.toml
 
 %prep
-%autosetup -n %{crate}-%{version_no_tilde} -p1
+%autosetup -n %{crate}-%{version} -p1
 %cargo_prep
 
 %generate_buildrequires
diff --git a/rust2rpm.conf b/rust2rpm.conf
deleted file mode 100644
index 6c7a81a..0000000
--- a/rust2rpm.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-[DEFAULT]
-summary = Parse attributes into structs for custom derive implementations (internal support)
-
diff --git a/rust2rpm.toml b/rust2rpm.toml
new file mode 100644
index 0000000..f589b08
--- /dev/null
+++ b/rust2rpm.toml
@@ -0,0 +1,3 @@
+[package]
+summary = "Parse attributes into structs for custom derive implementations (internal support)"
+
diff --git a/sources b/sources
index bd83980..95765d6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (darling_macro-0.20.3.crate) = bcbf2567ebf674f9aca2bb887db82c5d87bcbda6ce6e526c4a1f503f23c4a1451b17aeb2f6ae8b8a0c93cb0737edf14d6d258d998f654662d67a9cd956d7850b
+SHA512 (darling_macro-0.20.4.crate) = 91995e3d9517f861490728d524ff7126adb4273bae4f50b4bd4251b2d607e5e6613ee1de040b4c3c33ba0fe61f197ccb145f6c5eb5f5fca7e314ca0270a80e6a