diff --git a/.copier-answers.yml b/.copier-answers.yml
index cda5724..66dbc38 100644
--- a/.copier-answers.yml
+++ b/.copier-answers.yml
@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier; NEVER EDIT MANUALLY
-_commit: v1.0.3
+_commit: v1.0.4
 _src_path: gh:mjun0812/python-copier-template
 author_email: mjun@mjunya.com
 author_name: Junya Morioka
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 093b9e0..2788e13 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install uv
-        uses: astral-sh/setup-uv@v4
+        uses: astral-sh/setup-uv@v6
 
       - name: Format
         run: uvx ruff format . --check --diff
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 6f94c85..15a2a11 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -36,7 +36,8 @@ RUN --mount=type=cache,target=/root/.cache/uv \
 # Sync this project
 COPY . .
 RUN --mount=type=cache,target=/root/.cache/uv \
-    uv sync --locked --no-editable
+    ulimit -n 8192 \
+    && uv sync --locked --no-editable
 
 FROM $RUNNER_IMAGE AS production