diff --git a/test/run-functional-tests b/test/run-functional-tests
index 54cc7fec1a..5c3bca71da 100755
--- a/test/run-functional-tests
+++ b/test/run-functional-tests
@@ -1,5 +1,5 @@
 #!/bin/bash
-DOCKER_IMAGE=${DOCKER_IMAGE:-"nyang23/haleap:latest"}
+DOCKER_IMAGE=${DOCKER_IMAGE:-"nyang23/haleap:15.5"}
 PROJECT_PATH=$(dirname $(dirname `realpath $0`))
 PROJECT_INSIDE="/opt/crmsh"
 DOCKER_SERVICE="docker.service"