diff --git a/Dockerfile b/Dockerfile
index a961b8f..d7c29c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,9 +13,11 @@ RUN sed -i s@/deb.debian.org/@/mirrors.tuna.tsinghua.edu.cn/@g /etc/apt/sources.
     usermod -aG student tt && \
     echo "student ALL=(tt) NOPASSWD:SETENV:/usr/local/bin/joj3\ntt ALL=(student) NOPASSWD:SETENV:ALL" > /etc/sudoers.d/joj
 
-# install joint-teapot
+# install joint-teapot && joj3-forge
 # TODO: change it to FOCS gitea mirror for deployment
-RUN pip install --no-cache-dir git+https://ghfast.top/https://github.com/BoYanZh/Joint-Teapot --break-system-packages
+RUN pip install --no-cache-dir --break-system-packages \
+    git+https://ghfast.top/https://github.com/BoYanZh/Joint-Teapot \
+    git+https://ghfast.top/https://github.com/joint-online-judge/JOJ3-config-generator
 
 # install joj3 & repo-health-checker
 COPY bin/joj3 bin/repo-health-checker /usr/local/bin/