diff --git a/MANIFEST.in b/MANIFEST.in
index 3dd298fe7273258eed1b2242b3ccc14cac138247..62999197460368bb5d48b27cdec1d093324fe779 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,2 @@
-recursive-include diceware/wordlists *.txt
+recursive-include diceware/wordlists *.txt *.asc
 include README.rst CHANGES.rst LICENSE