diff --git a/Dockerfile b/Dockerfile
index 862b2e9..f481901 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,8 +17,8 @@ RUN sed -i s@/deb.debian.org/@/mirrors.tuna.tsinghua.edu.cn/@g /etc/apt/sources.
 # TODO: change it to FOCS gitea mirror for deployment
 RUN pip install git+https://ghp.ci/https://github.com/BoYanZh/Joint-Teapot --break-system-packages
 
-# install joj3 & repo-health-checker
-COPY bin/joj3 bin/repo-health-checker /usr/local/bin/
+# install joj3 & repo-health-checker & teapot-checker
+COPY bin/joj3 bin/repo-health-checker bin/teapot-checker /usr/local/bin/
 
 USER student
 WORKDIR /home/student