diff --git a/watchtower-plugin/tests/pyproject.toml b/watchtower-plugin/tests/pyproject.toml
index 2760baac..abcb2e4a 100644
--- a/watchtower-plugin/tests/pyproject.toml
+++ b/watchtower-plugin/tests/pyproject.toml
@@ -13,6 +13,7 @@ black = "^22.6.0"
 pytest = "^7.1.2"
 pytest-timeout = "^2.1.0"
 pyln-testing = "^0.12.1"
+pyln-client = "^23.11"
 
 
 [build-system]