diff --git a/.gitignore b/.gitignore
index 68966c4..31566a7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 /ignore-0.4.17.crate
 /ignore-0.4.18.crate
 /ignore-0.4.20.crate
+/ignore-0.4.21.crate
diff --git a/ignore-fix-metadata-auto.diff b/ignore-fix-metadata-auto.diff
index eb03a3a..4cc9a58 100644
--- a/ignore-fix-metadata-auto.diff
+++ b/ignore-fix-metadata-auto.diff
@@ -1,8 +1,8 @@
---- ignore-0.4.20/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ ignore-0.4.20/Cargo.toml	2023-04-15T11:11:15.497999+00:00
-@@ -65,5 +65,3 @@
+--- ignore-0.4.21/Cargo.toml	1970-01-01T00:00:01+00:00
++++ ignore-0.4.21/Cargo.toml	2023-12-02T10:57:27.816419+00:00
+@@ -77,5 +77,3 @@
  [features]
- simd-accel = ["globset/simd-accel"]
+ simd-accel = []
  
 -[target."cfg(windows)".dependencies.winapi-util]
 -version = "0.1.2"
diff --git a/rust-ignore.spec b/rust-ignore.spec
index 5c84de1..33fc8bb 100644
--- a/rust-ignore.spec
+++ b/rust-ignore.spec
@@ -1,21 +1,21 @@
-# Generated by rust2rpm 24
+# Generated by rust2rpm 25
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate ignore
 
 Name:           rust-ignore
-Version:        0.4.20
+Version:        0.4.21
 Release:        %autorelease
 Summary:        Fast library for efficiently matching ignore files
 
 License:        Unlicense OR MIT
 URL:            https://crates.io/crates/ignore
 Source:         %{crates_source}
-# Automatically generated patch to strip foreign dependencies
+# Automatically generated patch to strip dependencies and normalize metadata
 Patch:          ignore-fix-metadata-auto.diff
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 A fast library for efficiently matching ignore files such as
@@ -64,7 +64,7 @@ use the "simd-accel" 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.toml b/rust2rpm.toml
new file mode 100644
index 0000000..b4d1252
--- /dev/null
+++ b/rust2rpm.toml
@@ -0,0 +1,3 @@
+[package]
+summary = "Fast library for efficiently matching ignore files"
+
diff --git a/sources b/sources
index 393171b..ca072c7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ignore-0.4.20.crate) = e90c5c356252fa1c573bb92971477f2805e4167c3e7878e7da6756ae14463cca328a6614d448cf9a3a28abc5bf0f7c62313a8cb8103a04bb1c3bac0d0924f658
+SHA512 (ignore-0.4.21.crate) = 34f41115f5ecb4e76c1a3a74052f35f2b9ada17963dcf0f6257bedd843f54a44b3c170d7c44763399edf2997d2c8f291e1eab6622aa7afcbf50eb9485d722b41