diff --git a/contrib/pyln-testing/pyproject.toml b/contrib/pyln-testing/pyproject.toml
index d5ef46915..f27c1e009 100644
--- a/contrib/pyln-testing/pyproject.toml
+++ b/contrib/pyln-testing/pyproject.toml
@@ -17,7 +17,7 @@ ephemeral-port-reserve = "^1.1.4"
 psycopg2-binary = "^2.9.3"
 python-bitcoinlib = "^0.11.0"
 jsonschema = "^4.4.0"
-pyln-client = "^0.11"
+pyln-client = "^0.12"
 Flask = "^2.0.3"
 cheroot = "^8.6.0"
 psutil = "^5.9.0"