diff --git a/Makefile.in b/Makefile.in
index 12c50f9..848bc0c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -37,6 +37,10 @@ DISTFILES=$(SRC) \
 	NEWS \
 	mellon_create_metadata.sh \
 	$(USER_GUIDE_FILES)
+	.tarball-version
+
+.tarball-version:
+	echo @PACKAGE_VERSION@ > $@-t && mv $@-t $@
 
 all:	mod_auth_mellon.la