diff --git a/shell/add_prebuilt_repo b/shell/add_prebuilt_repo
old mode 100644
new mode 100755
index 673933d..0b8819c
--- a/shell/add_prebuilt_repo
+++ b/shell/add_prebuilt_repo
@@ -7,5 +7,5 @@ echo "deb [arch=all,$(dpkg --print-architecture) signed-by=/usr/share/keyrings/p
 sudo apt update -t bookworm-backports
 sudo apt dist-upgrade -t bookworm-backports -y
 sudo apt install -y just
-
+sudo apt autoremove -y
 exit 0