diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 2d1fb691e1..1c76a4acd0 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -7,6 +7,11 @@
 echo_summary "ironic devstack plugin.sh called: $1/$2"
 source $DEST/ironic/devstack/lib/ironic
 
+# These packages should be tested under python 3, when the job enables Python 3
+# TODO(jlvillal) Add additional dependencies when they should support Python 3.
+#     Add: pyghmi and virtualbmc when they are ready
+enable_python3_package ironic ironic-lib ironic-python-agent python-ironicclient
+
 if is_service_enabled ir-api ir-cond; then
     if [[ "$1" == "stack" ]]; then
         if [[ "$2" == "install" ]]; then