From 9ada540381dd70fa8ee4d37d09744e22da8a7254 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Buscht=C3=B6ns?= <jan.buschtoens@clark.io>
Date: Fri, 26 Jun 2026 16:53:38 +0200
Subject: [PATCH 1/2] fix: upgrade CircleCI config from version 2 to 2.1

---
 .circleci/config.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 58fb80a..519394c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,4 @@
-version: 2
+version: 2.1
 jobs:
   test:
     docker:
@@ -99,7 +99,6 @@ build_only_on_tags: &build_only_on_tags
       only: /.*/
 
 workflows:
-  version: 2
   test_and_publish:
     jobs:
       - test:

From 14adf80a7959d627950c61d4690f40afa9f97a37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Buscht=C3=B6ns?= <jan.buschtoens@clark.io>
Date: Fri, 26 Jun 2026 17:04:40 +0200
Subject: [PATCH 2/2] fix: replace deprecated circleci/ Docker images with
 cimg/ equivalents

---
 .circleci/config.yml | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 519394c..b785224 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2.1
 jobs:
   test:
     docker:
-      - image: circleci/python:3.9
+      - image: cimg/python:3.9
     steps:
       - checkout
       - run: pip install tox
@@ -10,7 +10,7 @@ jobs:
 
   build_dist:
     docker:
-      - image: circleci/python:3.9
+      - image: cimg/python:3.9
     steps:
       - checkout
       - run: sudo pip install build twine setuptools-scm
@@ -27,7 +27,7 @@ jobs:
 
   test_pypi_publish:
     docker:
-      - image: circleci/python:3.9
+      - image: cimg/python:3.9
     steps:
       - attach_workspace:
           at: /tmp/workspace
@@ -36,7 +36,7 @@ jobs:
 
   pypi_publish:
     docker:
-      - image: circleci/python:3.9
+      - image: cimg/python:3.9
     steps:
       - attach_workspace:
           at: /tmp/workspace
@@ -45,7 +45,7 @@ jobs:
 
   docker_build:
     docker:
-      - image: circleci/buildpack-deps:stretch
+      - image: cimg/base:stable
     steps:
       - checkout
       - setup_remote_docker:
@@ -62,7 +62,7 @@ jobs:
 
   docker_push:
     docker:
-      - image: circleci/buildpack-deps:stretch
+      - image: cimg/base:stable
     steps:
       - run: test -n "$CIRCLE_TAG"
       - attach_workspace: