diff --git a/debian/watch b/debian/watch
new file mode 100644
index 0000000..780045c
--- /dev/null
+++ b/debian/watch
@@ -0,0 +1,3 @@
+version=4
+
+http://www.zeroflux.org/proj/knock/ files/knock@ANY_VERSION@@ARCHIVE_EXT@ debian uupdate