diff --git a/test-requirements.txt b/test-requirements.txt
index 031f952e5..f0694093c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,3 +7,8 @@ tempest>=17.1.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 oslotest>=3.2.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0
+
+# This is necessary as pecan dropped this dependency
+# see https://review.opendev.org/c/openstack/neutron/+/848706
+WebTest>=2.0.27 # MIT
+