diff --git a/ansible/inventory.yml b/ansible/inventory.yml
index c17628dd4..f83d84fea 100644
--- a/ansible/inventory.yml
+++ b/ansible/inventory.yml
@@ -237,8 +237,8 @@ hosts:
         # `jenkins-workspace-*` machine, remember to rerun
         # the `ansible/playbooks/create-github-bot.yml` playbook
         # to update the Jenkins worker IP allowlist in github-bot
-        ubuntu2204-x64-1: {ip: 67.158.54.159, alias: jenkins-workspace-9}
-        ubuntu2204-x64-2: {ip: 8.225.232.44, alias: jenkins-workspace-10}
+        ubuntu2204-x64-1: {ip: 67.158.54.159, alias: jenkins-workspace-9, server_ram: 512m}
+        ubuntu2204-x64-2: {ip: 8.225.232.44, alias: jenkins-workspace-10, server_ram: 512m}
         smartos22-x64-3:
           ip: 172.16.9.3
           ansible_ssh_common_args: '-o ProxyCommand="ssh -i ~/.ssh/nodejs_build_test -W %h:%p root@8.225.232.32"'