diff --git a/.gitignore b/.gitignore
index bace32f..cae6b8f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /nettle-sys-2.1.0.crate
 /nettle-sys-2.1.1.crate
 /nettle-sys-2.2.0.crate
+/nettle-sys-2.3.0.crate
diff --git a/nettle-sys-fix-metadata-auto.diff b/nettle-sys-fix-metadata-auto.diff
index 075f3ba..cf69fc7 100644
--- a/nettle-sys-fix-metadata-auto.diff
+++ b/nettle-sys-fix-metadata-auto.diff
@@ -1,5 +1,5 @@
---- nettle-sys-2.2.0/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ nettle-sys-2.2.0/Cargo.toml	2023-05-17T13:41:19.037440+00:00
+--- nettle-sys-2.3.0/Cargo.toml	1970-01-01T00:00:01+00:00
++++ nettle-sys-2.3.0/Cargo.toml	2023-10-20T09:01:43.044608+00:00
 @@ -55,5 +55,3 @@
  [build-dependencies.tempfile]
  version = "3"
diff --git a/rust-nettle-sys.spec b/rust-nettle-sys.spec
index 63c41fe..f1307f4 100644
--- a/rust-nettle-sys.spec
+++ b/rust-nettle-sys.spec
@@ -1,25 +1,25 @@
-# Generated by rust2rpm 24
+# Generated by rust2rpm 25
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate nettle-sys
 
 Name:           rust-nettle-sys
-Version:        2.2.0
+Version:        2.3.0
 Release:        %autorelease
 Summary:        Low-level Rust bindings for the Nettle cryptographic library
 
 License:        LGPL-3.0 OR GPL-2.0 OR GPL-3.0
 URL:            https://crates.io/crates/nettle-sys
 Source:         %{crates_source}
-# Automatically generated patch to strip foreign dependencies
+# Automatically generated patch to strip dependencies and normalize metadata
 Patch:          nettle-sys-fix-metadata-auto.diff
 # * drop two elliptic curves that are disabled in nettle in Fedora:
 #   - nettle_get_secp_192r1
 #   - nettle_get_secp_224r1
 Patch:          0001-build-drop-unavailable-ECC-functions.patch
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Low-level Rust bindings for the Nettle cryptographic library.}
@@ -56,7 +56,7 @@ 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 94bb075..0000000
--- a/rust2rpm.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-[DEFAULT]
-buildrequires =
-  pkgconfig(nettle)
-lib.requires =
-  pkgconfig(nettle)
diff --git a/rust2rpm.toml b/rust2rpm.toml
new file mode 100644
index 0000000..dc6482f
--- /dev/null
+++ b/rust2rpm.toml
@@ -0,0 +1,4 @@
+[requires]
+build = ["pkgconfig(nettle)"]
+lib = ["pkgconfig(nettle)"]
+
diff --git a/sources b/sources
index 8fac9fc..1eb8b80 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (nettle-sys-2.2.0.crate) = db72ab5f0bfd79230489d1310ba6d91ff55ec8d7229f0c21cc309fcf50aba6c8db44fda946c01642b4b9d348c7d113d77d3c13f7cc395f7fde7e9c50cbb6e90f
+SHA512 (nettle-sys-2.3.0.crate) = f453608d860edf86ba62ed959aa1d04301c06d13bef5179b2a69f7faebe1e1ea41fce163aa4a48617d21fc493cce16c28cc11a051ccfd13d0be93c66405aa5d3