diff --git a/Dockerfile b/Dockerfile
index 491782c..ba6cdc7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,21 @@
-FROM python:3.11
-RUN useradd --user-group bagit-tester
-RUN install -d -o bagit-tester /bagit
-USER bagit-tester
+FROM ghcr.io/astral-sh/uv:0.11.5-python3.14-trixie
+RUN useradd --user-group bagit-tester && \
+    install -d -o bagit-tester /bagit
 WORKDIR /bagit
+COPY pyproject.toml /bagit/pyproject.toml
 COPY .git/ /bagit/.git/
-COPY *.rst *.py /bagit/
+COPY *.rst /bagit/
+COPY src/ /bagit/src/
+COPY test.py /bagit/
 COPY test-data /bagit/test-data/
-CMD [ "python", "setup.py", "test" ]
+COPY utils/ /bagit/
+ENV UV_LINK_MODE=copy
+RUN mkdir /home/bagit-tester/ && \
+    mkdir /home/bagit-tester/.cache && \
+    mkdir /home/bagit-tester/.cache/uv && \
+    apt-get update && \
+    apt-get install dos2unix -y && \
+    find test-data -name 'README' | xargs dos2unix && \
+    chown bagit-tester /home/bagit-tester/.cache/uv
+USER bagit-tester
+CMD [ "uv", "run", "pytest" ]