diff --git a/package/zlib/zlib.hash b/package/zlib/zlib.hash
index 81cb64ef62..e3736b1011 100644
--- a/package/zlib/zlib.hash
+++ b/package/zlib/zlib.hash
@@ -1,2 +1,4 @@
 # From http://www.zlib.net/
 sha256 4ff941449631ace0d4d203e3483be9dbc9da454084111f97ea0a2114e19bf066  zlib-1.2.11.tar.xz
+# License files, locally calculated
+sha256 7960b6b1cc63e619abb77acaea5427159605afee8c8b362664f4effc7d7f7d15  README