diff --git a/Dockerfile b/Dockerfile
index b9df04a..5466df5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 FROM focs.ji.sjtu.edu.cn:5000/gitea/runner-images:ubuntu-latest-slim
 
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends sudo python3-minimal python3-pip git && \
+    apt-get install -y --no-install-recommends sudo python3-minimal python3-pip git openssh-client && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* && \
     userdel -r node && \