diff --git a/SOURCES/rust2rpm.toml b/SOURCES/rust2rpm.toml
new file mode 100644
index 0000000..cc50e03
--- /dev/null
+++ b/SOURCES/rust2rpm.toml
@@ -0,0 +1,4 @@
+[tests]
+skip = ["assert_sizes"]
+comments = ["skip test for exact size of a struct / enum that fails with Rust 1.64+: https://github.com/servo/tendril/issues/66"]
+
diff --git a/SOURCES/tendril-fix-metadata.diff b/SOURCES/tendril-fix-metadata.diff
new file mode 100644
index 0000000..e7dafe5
--- /dev/null
+++ b/SOURCES/tendril-fix-metadata.diff
@@ -0,0 +1,12 @@
+--- tendril-0.4.3/Cargo.toml	1970-01-01T00:00:01+00:00
++++ tendril-0.4.3/Cargo.toml	2024-01-19T19:09:07.549735+00:00
+@@ -17,9 +17,6 @@
+ readme = "README.md"
+ license = "MIT/Apache-2.0"
+ repository = "https://github.com/servo/tendril"
+-[dependencies.encoding]
+-version = "0.2"
+-optional = true
+ 
+ [dependencies.encoding_rs]
+ version = "0.8.12"
diff --git a/SPECS/rust-tendril.spec b/SPECS/rust-tendril.spec
index 21c95f1..bd60c7f 100644
--- a/SPECS/rust-tendril.spec
+++ b/SPECS/rust-tendril.spec
@@ -1,32 +1,33 @@
 ## START: Set by rpmautospec
-## (rpmautospec version 0.3.5)
+## (rpmautospec version 0.5.1)
 ## RPMAUTOSPEC: autorelease, autochangelog
 %define autorelease(e:s:pb:n) %{?-p:0.}%{lua:
-    release_number = 3;
+    release_number = 7;
     base_release_number = tonumber(rpm.expand("%{?-b*}%{!?-b:1}"));
     print(release_number + base_release_number - 1);
 }%{?-e:.%{-e*}}%{?-s:.%{-s*}}%{!?-n:%{?dist}}
 ## END: Set by rpmautospec
 
-# Generated by rust2rpm 21
+# Generated by rust2rpm 25
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate tendril
 
-Name:           rust-%{crate}
+Name:           rust-tendril
 Version:        0.4.3
 Release:        %autorelease
 Summary:        Compact buffer/string type for zero-copy parsing
 
 # Upstream license specification: MIT/Apache-2.0
-License:        MIT or ASL 2.0
+License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/tendril
 Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# * drop unused support for the obsolete "encoding" crate
+Patch:          tendril-fix-metadata.diff
 
-ExclusiveArch:  %{rust_arches}
-
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Compact buffer/string type for zero-copy parsing.}
@@ -72,18 +73,6 @@ use the "bench" feature of the "%{crate}" crate.
 %files       -n %{name}+bench-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+encoding-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+encoding-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "encoding" feature of the "%{crate}" crate.
-
-%files       -n %{name}+encoding-devel
-%ghost %{crate_instdir}/Cargo.toml
-
 %package     -n %{name}+encoding_rs-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -97,7 +86,7 @@ use the "encoding_rs" 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
@@ -117,9 +106,22 @@ use the "encoding_rs" feature of the "%{crate}" crate.
 %endif
 
 %changelog
-* Mon Jan 15 2024 Arkady L. Shane <tigro@msvsphere-os.ru> - 0.4.3-3
+## START: Generated by rpmautospec
+* Fri Jan 19 2024 Fabio Valentini <decathorpe@gmail.com> - 0.4.3-7
+- Drop unused support for the obsolete "encoding" crate
+
+* Mon Jan 15 2024 Arkady L. Shane <tigro@msvsphere-os.ru> - 0.4.3-6
 - Rebuilt for MSVSphere 9.3
 
+* Mon Aug 07 2023 Fabio Valentini <decathorpe@gmail.com> - 0.4.3-6
+- Regenerate with rust2rpm v24
+
+* Fri Jul 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.3-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
+* Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.3-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+
 * Wed Dec 14 2022 Fabio Valentini <decathorpe@gmail.com> - 0.4.3-3
 - Ignore test failures caused by struct / enum size changes in Rust 1.64+
 
@@ -161,3 +163,4 @@ use the "encoding_rs" feature of the "%{crate}" crate.
 * Mon Mar 11 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.4.1-1
 - Initial package
 
+## END: Generated by rpmautospec