diff --git a/etc/systemd/system/linuxbrew-update.service b/etc/systemd/system/linuxbrew-update.service
index 08c0b2b7..829b3e7a 100644
--- a/etc/systemd/system/linuxbrew-update.service
+++ b/etc/systemd/system/linuxbrew-update.service
@@ -6,3 +6,4 @@ Type=oneshot
 TimeoutStartSec=infinity
 ExecStartPre=/usr/local/bin/brew update
 ExecStart=/usr/local/bin/brew upgrade
+ExecStartPost=/usr/local/bin/brew cleanup