diff --git a/.gitignore b/.gitignore
index 88e67bb..9c281d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /lzma-sys-0.1.16.crate
 /lzma-sys-0.1.17.crate
 /lzma-sys-0.1.19.crate
+/lzma-sys-0.1.20.crate
diff --git a/0001-build-unconditionally-link-against-system-liblzma.patch b/0001-build-unconditionally-link-against-system-liblzma.patch
index 98443a0..c5adade 100644
--- a/0001-build-unconditionally-link-against-system-liblzma.patch
+++ b/0001-build-unconditionally-link-against-system-liblzma.patch
@@ -1,17 +1,17 @@
-From 5f427b0df0bebef259b1ab39e5b06eda38022b8b Mon Sep 17 00:00:00 2001
+From 8a87f94f09c98f2c503da541239b819d2fe0178c Mon Sep 17 00:00:00 2001
 From: Fabio Valentini <decathorpe@gmail.com>
-Date: Sat, 16 Jul 2022 14:26:41 +0200
+Date: Mon, 12 Dec 2022 23:28:52 +0100
 Subject: [PATCH] build: unconditionally link against system liblzma
 
 ---
- build.rs | 103 ++-----------------------------------------------------
- 1 file changed, 2 insertions(+), 101 deletions(-)
+ build.rs | 107 ++-----------------------------------------------------
+ 1 file changed, 2 insertions(+), 105 deletions(-)
 
 diff --git a/build.rs b/build.rs
-index 7d4c939..22ab405 100644
+index 6bec545..22ab405 100644
 --- a/build.rs
 +++ b/build.rs
-@@ -1,104 +1,5 @@
+@@ -1,108 +1,5 @@
 -use std::env;
 -use std::fs;
 -use std::path::PathBuf;
@@ -41,7 +41,7 @@ index 7d4c939..22ab405 100644
 -    let include_dir = env::current_dir().unwrap().join("xz-5.2/src/liblzma/api");
 -    println!("cargo:include={}", include_dir.display());
 -
--    let src_files = [
+-    let mut src_files = [
 -        "xz-5.2/src/liblzma/common",
 -        "xz-5.2/src/liblzma/lzma",
 -        "xz-5.2/src/liblzma/lz",
@@ -55,7 +55,11 @@ index 7d4c939..22ab405 100644
 -    .chain(vec![
 -        "xz-5.2/src/common/tuklib_cpucores.c".into(),
 -        "xz-5.2/src/common/tuklib_physmem.c".into(),
--    ]);
+-    ])
+-    .collect::<Vec<_>>();
+-
+-    // sort to make build reproducible.
+-    src_files.sort();
 -
 -    let mut build = cc::Build::new();
 -
@@ -119,5 +123,5 @@ index 7d4c939..22ab405 100644
 +    return;
  }
 -- 
-2.37.1
+2.38.1
 
diff --git a/lzma-sys-fix-metadata.diff b/lzma-sys-fix-metadata.diff
index d532b90..7c9e8d9 100644
--- a/lzma-sys-fix-metadata.diff
+++ b/lzma-sys-fix-metadata.diff
@@ -1,5 +1,5 @@
---- lzma-sys-0.1.19/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ lzma-sys-0.1.19/Cargo.toml	2022-07-16T12:20:45.015978+00:00
+--- lzma-sys-0.1.20/Cargo.toml	1970-01-01T00:00:01+00:00
++++ lzma-sys-0.1.20/Cargo.toml	2022-12-12T22:25:47.846905+00:00
 @@ -36,6 +36,3 @@
  
  [build-dependencies.pkg-config]
diff --git a/rust-lzma-sys.spec b/rust-lzma-sys.spec
index adbb8a0..d8c61f1 100644
--- a/rust-lzma-sys.spec
+++ b/rust-lzma-sys.spec
@@ -1,24 +1,22 @@
-# Generated by rust2rpm 21
+# Generated by rust2rpm 23
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate lzma-sys
 
-Name:           rust-%{crate}
-Version:        0.1.19
+Name:           rust-lzma-sys
+Version:        0.1.20
 Release:        %autorelease
 Summary:        Raw bindings to liblzma
 
 # Upstream license specification: MIT/Apache-2.0
-License:        MIT or ASL 2.0
+License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/lzma-sys
 Source:         %{crates_source}
-# Initial patched metadata
+# Manually created patch for downstream crate metadata changes
 # * drop feature for statically linking against the bundled version of liblzma
-Patch0:         lzma-sys-fix-metadata.diff
-Patch1:         0001-build-unconditionally-link-against-system-liblzma.patch
-
-ExclusiveArch:  %{rust_arches}
+Patch:          lzma-sys-fix-metadata.diff
+Patch:          0001-build-unconditionally-link-against-system-liblzma.patch
 
 BuildRequires:  rust-packaging >= 21
 
diff --git a/.rust2rpm.conf b/rust2rpm.conf
similarity index 100%
rename from .rust2rpm.conf
rename to rust2rpm.conf
diff --git a/sources b/sources
index 417ec7a..a00c8af 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (lzma-sys-0.1.19.crate) = 2a6cf7566987f9383b24d3880c28f47752f48b33badb0bf50f770354dccb4aaa2c934251912a3795bbe5d89f5c1485d66d772be9fa6defefcdbfaa053ac1aecd
+SHA512 (lzma-sys-0.1.20.crate) = 393908b4e3006e4d9948a077d84ba7f5004765c4cc0f854e04847e504a246ab9a8e761fa48d4f211a7ac08dc119d950481da1ed1a480778d6b6e9b446a697279