diff --git a/functest_requirements.txt b/functest_requirements.txt
index 64118294..f526a4cc 100644
--- a/functest_requirements.txt
+++ b/functest_requirements.txt
@@ -1,7 +1,8 @@
 git+https://github.com/pulp/pulp-smash.git#egg=pulp-smash
 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-xdist
 pytest-timeout