diff --git a/MANIFEST.in b/MANIFEST.in
index 615a486..65e424f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,8 +1,8 @@
 include Makefile
 include README
 include requirements.txt
 include requirements-swh.txt
 include requirements-test.txt
 include version.txt
 include swh/lister/cran/list_all_packages.R
-recursive-include swh/lister/*/tests/ *.json *.html
+recursive-include swh/lister/*/tests/ *.json *.html *.txt