diff --git a/Dockerfile b/Dockerfile
index c34d40c..44234c9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,8 @@ RUN pip install --no-cache-dir uv==0.11.31
 
 WORKDIR /app
 
+ENV UV_INDEX_URL="http://pypi.reg.darano.ir/simple/"
+
 COPY pyproject.toml uv.lock* ./
 
 RUN uv sync --frozen --no-dev --no-install-project
@@ -27,7 +29,8 @@ WORKDIR /app
 
 ENV PATH="/app/.venv/bin:$PATH" \
     PYTHONUNBUFFERED=1 \
-    PYTHONDONTWRITEBYTECODE=1
+    PYTHONDONTWRITEBYTECODE=1 \
+    UV_INDEX_URL="http://pypi.reg.darano.ir/simple/"
 
 COPY . .
 COPY --from=builder /app/.venv /app/.venv
@@ -64,6 +67,7 @@ RUN printf 'Types: deb\nURIs: http://repo.iut.ac.ir/ubuntu/\nSuites: noble noble
 ENV PATH="/app/.venv/bin:$PATH" \
     PYTHONUNBUFFERED=1 \
     PYTHONDONTWRITEBYTECODE=1 \
+    UV_INDEX_URL="http://pypi.reg.darano.ir/simple/" \
     # Chromium is pre-installed at /usr/bin/chromium
     CHROME_BINARY=/usr/bin/chromium \
     CHROMEDRIVER_PATH=/usr/bin/chromedriver \