diff --git a/Dockerfile b/Dockerfile
index ec02798..c2f86bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,24 @@
 #checkov:skip=CKV_DOCKER_2
 #checkov:skip=CKV_DOCKER_3
 #trivy:ignore:AVD-DS-0002
-FROM python:3.14.8-slim@sha256:a2b82f3c48559aa0a8446d9af49826b6e2b2016f4cd2afabfe6013ec53729170
-LABEL org.opencontainers.image.source https://github.com/github-community-projects/cleanowners
+FROM python:3.15.0-slim@sha256:f5b92f2a669a4c347044f29367f31983280b648250ca94dea66f98c53bc87e58 AS builder
 
 WORKDIR /action/workspace
-COPY pyproject.toml uv.lock *.py /action/workspace/
+COPY pyproject.toml uv.lock /action/workspace/
+COPY --from=ghcr.io/astral-sh/uv:0.10.9@sha256:10902f58a1606787602f303954cea099626a4adb02acbac4c69920fe9d278f82 /uv /uvx /bin/
+RUN apt-get -y update \
+    && apt-get -y install --no-install-recommends build-essential=12.12 libffi-dev=3.4.8-2 \
+    && uv sync --frozen --no-dev --no-editable
+
+FROM python:3.15.0-slim@sha256:f5b92f2a669a4c347044f29367f31983280b648250ca94dea66f98c53bc87e58
+LABEL org.opencontainers.image.source=https://github.com/github-community-projects/cleanowners
 
+WORKDIR /action/workspace
+COPY pyproject.toml uv.lock *.py /action/workspace/
 COPY --from=ghcr.io/astral-sh/uv:0.10.9@sha256:10902f58a1606787602f303954cea099626a4adb02acbac4c69920fe9d278f82 /uv /uvx /bin/
+COPY --from=builder /action/workspace/.venv /action/workspace/.venv
 
-RUN uv sync --frozen --no-dev --no-editable \
-    && apt-get -y update \
+RUN apt-get -y update \
     && apt-get -y install --no-install-recommends git=1:2.47.3-0+deb13u1 \
     && rm -rf /var/lib/apt/lists/*