diff --git a/functest_requirements.txt b/functest_requirements.txt
index d4f65c6c..dc9ae426 100644
--- a/functest_requirements.txt
+++ b/functest_requirements.txt
@@ -1,6 +1,7 @@
 pytest<8
 lxml
-twine
+# test_attestation_twine_upload and test_twine_upload use shelf-reader 0.1 with Metadata-Version 2.0, rejected by twine>=7
+twine<7
 pypi-simple
 pytest-custom_exit_code
 pytest-xdist