diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2746495
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/wu-diff-0.1.2.crate
diff --git a/rust-wu-diff.spec b/rust-wu-diff.spec
new file mode 100644
index 0000000..95e8f34
--- /dev/null
+++ b/rust-wu-diff.spec
@@ -0,0 +1,77 @@
+# Generated by rust2rpm 23
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate wu-diff
+
+Name:           rust-wu-diff
+Version:        0.1.2
+Release:        %autorelease
+Summary:        Compute differences between two slices using wu(the O(NP)) algorithm
+
+License:        MIT
+URL:            https://crates.io/crates/wu-diff
+Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# - bump base64 to 0.13
+# - bump image to 0.24
+# - remove ancient clippy dependency
+# - remove criterion which is only used for benchmarking
+Patch:          wu-diff-fix-metadata.diff
+# fix test to compile against image >= 0.23
+# https://github.com/bokuweb/wu-diff-rs/pull/8
+Patch:          wu-diff-fix-test-for-image-0.23-no-raw_pixels.diff
+
+BuildRequires:  rust-packaging >= 21
+
+%global _description %{expand:
+Compute differences between two slices using wu(the O(NP)) algorithm.}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LICENSE
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+%autochangelog
diff --git a/sources b/sources
new file mode 100644
index 0000000..1d63c9d
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (wu-diff-0.1.2.crate) = 6d93c8854dba66f48f736db3f9e997d11d07a0fef3e13219716e553c0f5936f1d00468b88d9164329cfd195271aa242ec7dfd58560074f1a41e8558719ba5af0
diff --git a/wu-diff-fix-metadata.diff b/wu-diff-fix-metadata.diff
new file mode 100644
index 0000000..d303037
--- /dev/null
+++ b/wu-diff-fix-metadata.diff
@@ -0,0 +1,20 @@
+--- wu-diff-0.1.2/Cargo.toml	1970-01-01T00:00:00+00:00
++++ wu-diff-0.1.2/Cargo.toml	2023-01-04T20:15:21.374005+00:00
+@@ -23,14 +23,9 @@
+ [[bench]]
+ name = "benches"
+ harness = false
+-[dependencies.clippy]
+-version = "0.0.209"
+-optional = true
++
+ [dev-dependencies.base64]
+-version = "0.9.0"
+-
+-[dev-dependencies.criterion]
+-version = "0.2"
++version = "0.13"
+ 
+ [dev-dependencies.image]
+-version = "0.18.0"
++version = "0.24"
diff --git a/wu-diff-fix-test-for-image-0.23-no-raw_pixels.diff b/wu-diff-fix-test-for-image-0.23-no-raw_pixels.diff
new file mode 100644
index 0000000..9bd2ba0
--- /dev/null
+++ b/wu-diff-fix-test-for-image-0.23-no-raw_pixels.diff
@@ -0,0 +1,14 @@
+In `image` 0.23 and above, `raw_pixels` is now `to_bytes`:
+
+https://github.com/image-rs/image/commit/67a327b3aa83be00580cd8a4e8d2538c730f6cb2#diff-c5963e01c09615b1b65648d16468d47a95c8eaee3daf8e830665f48a0c17ad90
+--- a/tests/lib.rs
++++ b/tests/lib.rs
+@@ -37,7 +37,7 @@ mod tests {
+ 
+     fn create_encoded_rows(image: &DynamicImage) -> Vec<String> {
+         image
+-            .raw_pixels()
++            .as_bytes().to_vec()
+             .chunks(image.dimensions().0 as usize * 4)
+             .map(|chunk| encode(chunk))
+             .collect()