diff --git a/Dockerfile.rpmbuild b/Dockerfile.rpmbuild
new file mode 100644
index 0000000..cd7fc4f
--- /dev/null
+++ b/Dockerfile.rpmbuild
@@ -0,0 +1,86 @@
+# syntax=docker/dockerfile:1
+FROM fedora:42
+
+RUN set -eux; \
+    dnf -y update; \
+    dnf -y install \
+        rpm-build \
+        rpmdevtools \
+        redhat-rpm-config \
+        gcc \
+        make \
+        findutils \
+        tar \
+        gzip \
+        rsync \
+        python3 \
+        python3-devel \
+        python3-setuptools \
+        python3-wheel \
+        pyproject-rpm-macros \
+        python3-rpm-macros \
+        python3-yaml \
+        python3-tomli \
+        python3-defusedxml \
+        python3-jinja2 \
+        openssl-devel \
+        python3-poetry-core ; \
+        dnf -y clean all
+
+# Build runner script (copies repo, tars, runs rpmbuild)
+RUN set -eux;   cat > /usr/local/bin/build-rpm <<'EOF'
+#!/usr/bin/env bash
+set -euo pipefail
+
+SRC="${SRC:-/src}"
+WORKROOT="${WORKROOT:-/work}"
+OUT="${OUT:-/out}"
+
+mkdir -p "${WORKROOT}" "${OUT}"
+WORK="${WORKROOT}/src"
+rm -rf "${WORK}"
+mkdir -p "${WORK}"
+
+rsync -a --delete \
+  --exclude '.git' \
+  --exclude '.venv' \
+  --exclude 'dist' \
+  --exclude 'build' \
+  --exclude '__pycache__' \
+  --exclude '.pytest_cache' \
+  --exclude '.mypy_cache' \
+  "${SRC}/" "${WORK}/"
+
+cd "${WORK}"
+
+# Determine version from pyproject.toml unless provided
+if [ -n "${VERSION:-}" ]; then
+  ver="${VERSION}"
+else
+  ver="$(grep -m1 '^version = ' pyproject.toml | sed -E 's/version = "([^"]+)".*/\1/')"
+fi
+
+TOPDIR="${WORKROOT}/rpmbuild"
+mkdir -p "${TOPDIR}"/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS}
+
+tarball="${TOPDIR}/SOURCES/jinjaturtle-${ver}.tar.gz"
+tar -czf "${tarball}" --transform "s#^#jinjaturtle/#" .
+
+spec_src="rpm/jinjaturtle.spec"
+
+cp -v "${spec_src}" "${TOPDIR}/SPECS/jinjaturtle.spec"
+
+rpmbuild -ba "${TOPDIR}/SPECS/jinjaturtle.spec" \
+  --define "_topdir ${TOPDIR}" \
+  --define "upstream_version ${ver}"
+
+shopt -s nullglob
+cp -v "${TOPDIR}"/RPMS/*/*.rpm "${OUT}/" || true
+cp -v "${TOPDIR}"/SRPMS/*.src.rpm "${OUT}/" || true
+echo "Artifacts copied to ${OUT}"
+EOF
+
+RUN chmod +x /usr/local/bin/build-rpm
+
+WORKDIR /work
+ENTRYPOINT ["/usr/local/bin/build-rpm"]
diff --git a/release.sh b/release.sh
index 8133992..31f1941 100755
--- a/release.sh
+++ b/release.sh
@@ -42,3 +42,34 @@ for dist in ${DISTS[@]}; do
   debfile=$(ls -1 dist/${release}/*.deb)
   reprepro -b /home/user/git/repo includedeb "${release}" "${debfile}"
 done
+
+# RPM
+sudo apt-get -y install createrepo-c rpm
+docker build -f Dockerfile.rpmbuild -t jinjaturtle:f42 --progress=plain .
+docker run --rm -v "$PWD":/src -v "$PWD/dist/rpm":/out jinjaturtle:f42
+sudo chown -R "${USER}" "$PWD/dist"
+
+REPO_ROOT="${HOME}/git/repo_rpm"
+RPM_REPO="${REPO_ROOT}/rpm/x86_64"
+BUILD_OUTPUT="${HOME}/git/jinjaturtle/dist"
+REMOTE="letessier.mig5.net:/opt/repo_rpm"
+KEYID="00AE817C24A10C2540461A9C1D7CDE0234DB458D"
+
+echo "==> Updating RPM repo..."
+mkdir -p "$RPM_REPO"
+
+for file in `ls -1 "${BUILD_OUTPUT}/rpm"`; do
+  rpmsign --addsign "${BUILD_OUTPUT}/rpm/$file"
+done
+
+cp "${BUILD_OUTPUT}/rpm/"*.rpm "$RPM_REPO/"
+
+createrepo_c "$RPM_REPO"
+
+echo "==> Signing repomd.xml..."
+qubes-gpg-client --local-user "$KEYID" --detach-sign --armor "$RPM_REPO/repodata/repomd.xml" > "$RPM_REPO/repodata/repomd.xml.asc"
+
+echo "==> Syncing repo to server..."
+rsync -aHPvz --exclude=.git --delete "$REPO_ROOT/" "$REMOTE/"
+
+echo "Done!"
diff --git a/rpm/jinjaturtle.spec b/rpm/jinjaturtle.spec
new file mode 100644
index 0000000..f3e8d6e
--- /dev/null
+++ b/rpm/jinjaturtle.spec
@@ -0,0 +1,46 @@
+%global upstream_version 0.3.4
+
+Name:           jinjaturtle
+Version:        %{upstream_version}
+Release:        1%{?dist}.jinjaturtle1
+Summary:        Convert config files into Ansible defaults and Jinja2 templates.
+
+License:        GPL-3.0-or-later
+URL:            https://git.mig5.net/mig5/jinjaturtle
+Source0:        %{name}-%{version}.tar.gz
+
+BuildArch:      noarch
+
+BuildRequires:  pyproject-rpm-macros
+BuildRequires:  python3-devel
+BuildRequires:  python3-poetry-core
+
+Requires: python3-yaml
+Requires: python3-tomli
+Requires: python3-defusedxml
+Requires: python3-jinja2
+
+%description
+Convert config files into Ansible defaults and Jinja2 templates.
+
+%prep
+%autosetup -n jinjaturtle
+
+%generate_buildrequires
+%pyproject_buildrequires
+
+%build
+%pyproject_wheel
+
+%install
+%pyproject_install
+%pyproject_save_files jinjaturtle
+
+%files -f %{pyproject_files}
+%license LICENSE
+%doc README.md
+%{_bindir}/jinjaturtle
+
+%changelog
+* Sat Dec 27 2025 Miguel Jacq <mig@mig5.net> - %{version}-%{release}
+- Initial RPM packaging for Fedora 42