diff --git a/base/comps/rust-cpubits/rust-cpubits.comp.toml b/base/comps/rust-cpubits/rust-cpubits.comp.toml
new file mode 100644
index 00000000000..d3934e2a04f
--- /dev/null
+++ b/base/comps/rust-cpubits/rust-cpubits.comp.toml
@@ -0,0 +1,4 @@
+[components.rust-cpubits]
+# Pin to Fedora f43 HEAD (cpubits 0.1.1); not yet packaged at the distro-default
+# snapshot date.
+spec = { type = "upstream", upstream-distro = { name = "fedora", version = "43" }, upstream-commit = "4e784900139bc3b9b30c59a0e892319834cca2bb" }
diff --git a/locks/rust-cpubits.lock b/locks/rust-cpubits.lock
new file mode 100644
index 00000000000..5a24df50840
--- /dev/null
+++ b/locks/rust-cpubits.lock
@@ -0,0 +1,6 @@
+# Managed by azldev component update. Do not edit manually.
+version = 1
+import-commit = '4e784900139bc3b9b30c59a0e892319834cca2bb'
+upstream-commit = '4e784900139bc3b9b30c59a0e892319834cca2bb'
+input-fingerprint = 'sha256:de40aa962f8f2b4b1b80ce4a12e3281fabd68c44952ba61b600163d3057d8352'
+resolution-input-hash = 'sha256:7d16a8905c47943856d8d3ed6cb5931f046dac58ebd171517dee0886a31d6da5'
diff --git a/specs/r/rust-cpubits/rust-cpubits.spec b/specs/r/rust-cpubits/rust-cpubits.spec
new file mode 100644
index 00000000000..32fce08faa5
--- /dev/null
+++ b/specs/r/rust-cpubits/rust-cpubits.spec
@@ -0,0 +1,90 @@
+## START: Set by rpmautospec
+## (rpmautospec version 0.8.3)
+## RPMAUTOSPEC: autorelease, autochangelog
+%define autorelease(e:s:pb:n) %{?-p:0.}%{lua:
+    release_number = 2;
+    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
+
+# This spec file has been modified by azldev to include build configuration overlays.
+# Do not edit manually; changes may be overwritten.
+
+# Generated by rust2rpm 28
+%bcond check 1
+%global debug_package %{nil}
+
+%global crate cpubits
+
+Name:           rust-cpubits
+Version:        0.1.1
+Release:        %autorelease
+Summary:        Compile-time detection heuristics for optimal target CPU word size
+
+License:        MIT OR Apache-2.0
+URL:            https://crates.io/crates/cpubits
+Source:         %{crates_source}
+
+BuildRequires:  cargo-rpm-macros >= 24
+
+%global _description %{expand:
+Compile-time detection heuristics for the optimal word size to use for
+the target CPU, which in some cases may differ from its address size
+a.k.a. `target_pointer_width`. Implemented as `macro_rules!`.}
+
+%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-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/CHANGELOG.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} -p1
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+## START: Generated by rpmautospec
+* Mon Aug 17 2026 Autumn Nash <autumnnash@microsoft.com> - 0.1.1-2
+- feat(rust-cpubits): add rust-cpubits component
+
+* Mon Jun 22 2026 Benjamin A. Beasley <code@musicinmybrain.net> - 0.1.1-1
+- Initial package (close RHBZ#2491277)
+## END: Generated by rpmautospec
diff --git a/specs/r/rust-cpubits/sources b/specs/r/rust-cpubits/sources
new file mode 100644
index 00000000000..0337f9a7d74
--- /dev/null
+++ b/specs/r/rust-cpubits/sources
@@ -0,0 +1 @@
+SHA512 (cpubits-0.1.1.crate) = f8d542023989a7b74267aaff01b9be96847edef9625ccf3d0e40dde881a790599eec2791fcb13f979b81ae2221129c1cf22b71ee8b4487c30dbe0bdbc26d62ec