diff --git a/setup_env b/setup_env
index b8e2b5d..cacb688 100755
--- a/setup_env
+++ b/setup_env
@@ -213,4 +213,4 @@ ${TEMPEST_DIR}/.venv/bin/python -m pip install -c ${UPPER_CONSTRAINTS_FILE} ${TE
 # Note: Since there are no requirements in tempest-additional-requirements.txt by default,
 # this line is commented out to prevent errors from being returned. Uncomment this line if
 # there are requirements in tempest-additonal-requirements.txt.
-# ${TEMPEST_DIR}/.venv/bin/pip install -r ${WORKDIR}/tempest-additional-requirements.txt
+# ${TEMPEST_DIR}/.venv/bin/pip install -c ${UPPER_CONSTRAINTS_FILE} -r ${WORKDIR}/tempest-additional-requirements.txt