diff --git a/apps/cli/executables/pexable/ws_annihilator/pyproject.toml b/apps/cli/executables/pexable/ws_annihilator/pyproject.toml
index 904a9fb90ee890fe98f9ed82d9f8a9ab559a565b..f7c28b64201c0eb0d356c893b6b89ad04a7cc9b2 100644
--- a/apps/cli/executables/pexable/ws_annihilator/pyproject.toml
+++ b/apps/cli/executables/pexable/ws_annihilator/pyproject.toml
@@ -8,6 +8,7 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "~3.10"
+greenlet = "2.0.2"
 psycopg2-binary = "2.9.9"
 pycapo = "0.3.1"
 python-dateutil = "2.9.0"