diff --git a/MANIFEST.in b/MANIFEST.in
index bd2792c2957bd216415da31565925fe97684797c..8c3a16b9a0d991e865e4aefed31ec4dde3bdcd75 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,4 +3,5 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 recursive-include doc *.rst *.ico *.png
-recursive-include tests *.py
+recursive-include tests *.py *.png *.csv *.json
+recursive-include src/ptbench/data *.json.bz2