diff --git a/Dockerfile b/Dockerfile
index 95a4bbe..830b1fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,6 +40,12 @@ RUN npm prune --omit=dev
 
 FROM node:22-slim
 
+# Proxy for apt-get (passed via --build-arg)
+ARG HTTP_PROXY
+ARG HTTPS_PROXY
+ENV HTTP_PROXY=${HTTP_PROXY} \
+    HTTPS_PROXY=${HTTPS_PROXY}
+
 # Install Chromium dependencies required by Playwright/rebrowser-playwright
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libnss3 \