diff --git a/duplicacy.sh b/duplicacy.sh
index bed3f89..219a022 100644
--- a/duplicacy.sh
+++ b/duplicacy.sh
@@ -16,6 +16,9 @@ echo $$ > ${lockfile}
 cd /
 duplicacy -verbose -log backup -stats >> ${LOGFILE} 2>&1
 
+# prune the backup
+duplicacy -verbose -log prune -keep 0:360 -keep 30:180 -keep 7:30 -keep 1:7 >> ${LOGFILE} 2>&1
+
 # compress the logs
 gzip $(dirname ${LOGFILE})/*.log