diff --git a/publik-dump/bin/publik_dump.py b/publik-dump/bin/publik_dump.py
index 6a808c5..0b19116 100755
--- a/publik-dump/bin/publik_dump.py
+++ b/publik-dump/bin/publik_dump.py
@@ -6,7 +6,7 @@ import pickle
 import subprocess
 
 parser = argparse.ArgumentParser()
-parser.add_argument("action", default="dump", choices=["tenantinfo", "tenanturls", "dump", "restore"])
+parser.add_argument("action", default="dump", choices=["tenantinfo", "tenanturls", "dump", "restore", "invalidate"])
 parser.add_argument("host", help="origin host")
 parser.add_argument("tenant", help="hobo tenant url")
 parser.add_argument("--update", action="store_true")
@@ -147,11 +147,18 @@ def get_tenant_info(tenant_name):
     return tenant_infos[0]
 
 
+def invalidate(tenant_name):
+    tenant_info = get_tenant_info(tenant_name)
+    for service in tenant_info['services']:
+        bpath = "%s/%s" % (service['path'], service['url'])
+        run('ssh %s.%s sudo mv %s %s.invalid' % (service['name'], args.host, bpath, bpath))
+
+
 if __name__ == "__main__":
     if args.action == "tenantinfo":
         get_host_info()
         print(json.dumps(get_tenant_info(args.tenant), indent=4))
-    if args.action == "tenanturls":
+    elif args.action == "tenanturls":
         print(' '.join([x['url'] for x in get_tenant_info(args.tenant)['services']]))
     elif args.action == "dump":
         get_host_info()
@@ -162,3 +169,5 @@ if __name__ == "__main__":
         tenant = get_tenant_info(args.tenant)
         restore_tenant_files(tenant)
         restore_tenant_databases(tenant)
+    elif args.action == "invalidate":
+        invalidate(args.tenant)