diff --git a/MANIFEST.in b/MANIFEST.in
index a3c90bc..1a270de 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,3 +4,4 @@ include requirements-*.in requirements-*.txt
 recursive-include bin *.py
 recursive-include code_templates *.j2
 recursive-include docs *.py *.rst requirements.txt
+recursive-include tests *.txt