diff --git a/Makefile b/Makefile
index 28862c9..94e0769 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 all: build
 
 build:
-	docker build -t focs.ji.sjtu.edu.cn:5000/gitea/runner-images:focs-ubuntu-latest .
+	docker build -t focs.ji.sjtu.edu.cn:5000/gitea/runner-images:focs-ubuntu-latest-slim .
 
 push:
-	docker push focs.ji.sjtu.edu.cn:5000/gitea/runner-images:focs-ubuntu-latest
+	docker push focs.ji.sjtu.edu.cn:5000/gitea/runner-images:focs-ubuntu-latest-slim