diff --git a/Makefile.in b/Makefile.in
index 848bc0c..5e1b895 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -37,7 +37,8 @@ DISTFILES=$(SRC) \
 	NEWS \
 	mellon_create_metadata.sh \
 	$(USER_GUIDE_FILES)
-	.tarball-version
+	.tarball-version \
+	tools/git-version-gen
 
 .tarball-version:
 	echo @PACKAGE_VERSION@ > $@-t && mv $@-t $@