diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index 6fb3d1a4..96c4d2bd 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -57,7 +57,8 @@ case "$JOB_TYPE" in
 		--disable E0401 \
 		--enable W0301 \
 		pySim tests/*.py *.py \
-		contrib/es2p_client.py
+		contrib/es2p_client.py \
+		contrib/es9p_client.py
 	;;
 "docs")
 	rm -rf docs/_build