diff --git a/Makefile b/Makefile
index 3478b0f..b205054 100644
--- a/Makefile
+++ b/Makefile
@@ -34,6 +34,7 @@
 include $(MAKEDIR)/include.mk
 
 VENV_DIR      ?= venv-jjb
+JJB_VERSION   ?= 2.8.0
 # JJB_VERSION   ?= 4.1.0
 JOBCONFIG_DIR ?= job-configs