diff --git a/MANIFEST b/MANIFEST
index 9a7c847..a67fb13 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -180,6 +180,7 @@ t/config/rcpthosts
 t/config/relayclients
 t/config/size_threshold
 t/config/test_config_file
+t/config/users.cdb
 t/helo.t
 t/misc.t
 t/plugin_tests.t