diff --git a/pipelines/vars/install_base.yml b/pipelines/vars/install_base.yml
index 7893dfd67..7d9b625c2 100644
--- a/pipelines/vars/install_base.yml
+++ b/pipelines/vars/install_base.yml
@@ -4,6 +4,6 @@ forklift_server_name: "pipe-{{ pipeline_type }}-server-{{ pipeline_version }}-{{
 forklift_proxy_name: "pipe-{{ pipeline_type }}-proxy-{{ pipeline_version }}-{{ pipeline_os }}"
 forklift_smoker_name: "pipe-{{ pipeline_type }}-smoker-{{ pipeline_version }}-{{ pipeline_os }}"
 smoker_box:
-  box: centos8-stream
+  box: centos9-stream
   memory: 2048
 bats_test_name_prefix: "{{ pipeline_os }} {{ pipeline_action }}: "
diff --git a/pipelines/vars/upgrade_base.yml b/pipelines/vars/upgrade_base.yml
index 79903b52c..22cc13324 100644
--- a/pipelines/vars/upgrade_base.yml
+++ b/pipelines/vars/upgrade_base.yml
@@ -5,6 +5,6 @@ forklift_proxy_name: "pipe-up-{{ pipeline_type }}-proxy-{{ pipeline_version}}-{{
 forklift_smoker_name: "pipe-up-{{ pipeline_type }}-smoker-{{ pipeline_version }}-{{ pipeline_os }}"
 forklift_boxes: "{{ {forklift_server_name: server_box, forklift_smoker_name: smoker_box} }}"
 smoker_box:
-  box: centos8-stream
+  box: centos9-stream
   memory: 2048
 bats_test_name_prefix: "{{ pipeline_os }} {{ pipeline_action }}: "