diff --git a/ietf/mailinglists/views.py b/ietf/mailinglists/views.py
index 0399565c6..d26fbccf9 100644
--- a/ietf/mailinglists/views.py
+++ b/ietf/mailinglists/views.py
@@ -3,6 +3,7 @@
 import re
 
 from django.shortcuts import render
+from django.views.decorators.cache import cache_page
 
 import debug                            # pyflakes:ignore
 
@@ -14,6 +15,9 @@ def groups(request):
 
     return render(request, "mailinglists/group_archives.html", { "groups": groups } )
 
+# we run the import_mailman_listinfo command via cron once per hour; we can
+# safely cache this for some time.
+@cache_page(15*60)
 def nonwg(request):
     groups = Group.objects.filter(type__in=("wg", "rg")).order_by("acronym")