diff --git a/README.md b/README.md
deleted file mode 100644
index 8f17e49..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-onig_sys
-
-The rust-onig_sys package
\ No newline at end of file
diff --git a/onig_sys-fix-metadata.diff b/onig_sys-fix-metadata.diff
index d861bde..9a6dcf9 100644
--- a/onig_sys-fix-metadata.diff
+++ b/onig_sys-fix-metadata.diff
@@ -1,6 +1,12 @@
 --- onig_sys-69.8.1/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ onig_sys-69.8.1/Cargo.toml	2023-04-12T12:14:30.588379+00:00
-@@ -35,9 +35,8 @@
++++ onig_sys-69.8.1/Cargo.toml	2024-09-14T12:38:07.946784+00:00
+@@ -29,15 +29,13 @@
+ instead check out the `onig` crate.
+ """
+ documentation = "http://rust-onig.github.io/rust-onig/onig_sys/"
+-readme = "README.md"
+ categories = ["external-ffi-bindings"]
+ license = "MIT"
  repository = "http://github.com/iwillspeak/rust-onig"
  
  [build-dependencies.bindgen]
@@ -11,7 +17,7 @@
  
  [build-dependencies.cc]
  version = "1.0"
-@@ -46,6 +45,7 @@
+@@ -46,6 +44,7 @@
  version = "^0.3.16"
  
  [features]
diff --git a/rust-onig_sys.spec b/rust-onig_sys.spec
index 84c7af8..05013d0 100644
--- a/rust-onig_sys.spec
+++ b/rust-onig_sys.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 24
+# Generated by rust2rpm 26
 %bcond_without check
 %global debug_package %{nil}
 
@@ -14,11 +14,13 @@ URL:            https://crates.io/crates/onig_sys
 Source:         %{crates_source}
 # Manually created patch for downstream crate metadata changes
 # * bump bindgen build-dependency from 0.59 to 0.63
+# * remove reference to readme file that is not included in published crates
 Patch:          onig_sys-fix-metadata.diff
 # * unconditionally use bindgen and dynamic linking with pkg-config
-Patch:          0001-Unconditionally-use-bindgen-and-dynamic-linking-with.patch
+Patch1:         0001-Unconditionally-use-bindgen-and-dynamic-linking-with.patch
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
+BuildRequires:  pkgconfig(oniguruma) >= 6.8.0
 
 %global _description %{expand:
 The `onig_sys` crate contains raw rust bindings to the oniguruma
@@ -104,14 +106,13 @@ use the "print-debug" 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
 # remove bundled oniguruma sources
 rm -r oniguruma/
-%cargo_prep
 
 %generate_buildrequires
 %cargo_generate_buildrequires
-echo 'pkgconfig(oniguruma) >= 6.8.0'
 
 %build
 %cargo_build
diff --git a/rust2rpm.conf b/rust2rpm.conf
deleted file mode 100644
index 5cbd7ed..0000000
--- a/rust2rpm.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-[DEFAULT]
-buildrequires =
-  pkgconfig(oniguruma) >= 6.8.0
-lib.requires =
-  pkgconfig(oniguruma) >= 6.8.0
diff --git a/rust2rpm.toml b/rust2rpm.toml
new file mode 100644
index 0000000..3ae713a
--- /dev/null
+++ b/rust2rpm.toml
@@ -0,0 +1,26 @@
+[package]
+summary = "Rust bindings for oniguruma"
+cargo-toml-patch-comments = [
+    "bump bindgen build-dependency from 0.59 to 0.63",
+    "remove reference to readme file that is not included in published crates",
+]
+
+[[package.extra-patches]]
+number = 1
+file = "0001-Unconditionally-use-bindgen-and-dynamic-linking-with.patch"
+comments = ["unconditionally use bindgen and dynamic linking with pkg-config"]
+
+[requires]
+build = [
+    "pkgconfig(oniguruma) >= 6.8.0",
+]
+lib = [
+    "pkgconfig(oniguruma) >= 6.8.0",
+]
+
+[scripts]
+prep.post = [
+    "# remove bundled oniguruma sources",
+    "rm -r oniguruma/",
+]
+