diff --git a/modules/services/restic/base-profile.yaml b/modules/services/restic/base-profile.yaml
index c893a97..7a02a60 100644
--- a/modules/services/restic/base-profile.yaml
+++ b/modules/services/restic/base-profile.yaml
@@ -8,6 +8,7 @@ base:
     keep-hourly: '8'
     keep-daily: '14'
     keep-weekly: '8'
+    keep-monthyl: '6'
   backup:
     verbose: true
     exclude: