diff --git a/build_debian.sh b/build_debian.sh
index 8a3e4f90fa64..f952de35e32b 100755
--- a/build_debian.sh
+++ b/build_debian.sh
@@ -247,6 +247,9 @@ sudo augtool --autosave "set /files/etc/ssh/sshd_config/UseDNS no" -r $FILESYSTE
 sudo sed -i 's/^ListenAddress ::/#ListenAddress ::/' $FILESYSTEM_ROOT/etc/ssh/sshd_config
 sudo sed -i 's/^#ListenAddress 0.0.0.0/ListenAddress 0.0.0.0/' $FILESYSTEM_ROOT/etc/ssh/sshd_config
 
+## Copy fstrim service
+sudo cp $FILESYSTEM_ROOT/usr/share/doc/util-linux/examples/fstrim.{service,timer} $FILESYSTEM_ROOT/etc/systemd/system
+
 ## Config monit
 sudo sed -i '
     s/^# set logfile syslog/set logfile syslog/;