diff --git a/.circleci/config.yml b/.circleci/config.yml
index 35f3b09..ca73378 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,9 +5,9 @@ executors:
     docker:
     - image: rust:1.81.0
   ubuntu:
-    docker:
-    - image: ubuntu:20.04
-  cibuilds:
+    machine: 
+      image: ubuntu-2004:202201-02
+  ci-builds:
     docker:
     - image: cibuilds/github:0.13
 
@@ -202,7 +202,7 @@ jobs:
   # This job roughly follows the instructions from https://circleci.com/blog/publishing-to-github-releases-via-circleci/
   build_and_upload_contracts:
     # Image from https://github.com/cibuilds/github, based on alpine
-    executor: cibuilds
+    executor: ci-builds
     steps:
     - run:
         name: Install Docker client