diff --git a/roles/archweb/templates/archweb-memcached.service.j2 b/roles/archweb/templates/archweb-memcached.service.j2
index 138185961494ad535f8cb7d789d1398e242a7af1..e0ac7d0bc9dbf954c05c3fbe0ec9d162eb76f35a 100644
--- a/roles/archweb/templates/archweb-memcached.service.j2
+++ b/roles/archweb/templates/archweb-memcached.service.j2
@@ -6,7 +6,8 @@ After=network.target
 User=archweb
 Group=memcached
 # Remove '-l 127.0.0.1' to listen on all addresses
-ExecStart=/usr/bin/memcached -s /run/memcached/archweb.sock -o modern
+# The packages /files sitemap is about ~ 3m so raise the default 1m limit.
+ExecStart=/usr/bin/memcached -s /run/memcached/archweb.sock -o modern -I 10m
 Restart=always
 NoNewPrivileges=yes
 PrivateTmp=yes