diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c38a9b03f973f2f72cc6d71051897d56f730fb47..acda7fc9ff4e1e60d69e3716d8b6eb9ee3f6ee45 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,7 +12,7 @@ variables:
   PKR_VAR_build_image_name: "xdmod"
   PKR_VAR_ssh_username: "centos"
   PKR_VAR_ssh_keypair_name: "dev-keys"
-  PKR_VAR_flavor: "m1.medium"
+  PKR_VAR_flavor: "m1.medium-ruffner"
   PKR_VAR_source_image_name: "CentOS-7-x86_64-GenericCloud-1905"
   GIT_SUBMODULE_STRATEGY: recursive
   NUM_IMAGE_TO_KEEP: 5