diff --git a/roles/archweb/templates/local_settings.py.j2 b/roles/archweb/templates/local_settings.py.j2
index 1fc36e5cd7bd0ab8f32bc35c3439281418c91953..4bdba32e0c20602ae2922e6f454b2809eda96832 100644
--- a/roles/archweb/templates/local_settings.py.j2
+++ b/roles/archweb/templates/local_settings.py.j2
@@ -80,4 +80,7 @@ TIER0_MIRROR_DOMAIN = 'repos.archlinux.org'
 
 MASTODON_LINK = 'https://fosstodon.org/@archlinux'
 
+# Keep mirrorlogs around for 6 months
+MIRRORLOG_RETENTION_PERIOD = 180
+
 # vim: set ts=4 sw=4 et: