diff --git a/net/ndndump/Portfile b/net/ndndump/Portfile
index 531cc90..0a271e2 100644
--- a/net/ndndump/Portfile
+++ b/net/ndndump/Portfile
@@ -12,6 +12,7 @@
 homepage            https://github.com/named-data/ndndump
 version             0.5.1
 license             GPL3+
+revision            1
 
 categories          net
 platforms           darwin