From bc8c1b8242b6d3335b532436d0b6987f05424e6c Mon Sep 17 00:00:00 2001
From: Bozhidar Batsov <bozhidar@batsov.dev>
Date: Mon, 16 Feb 2026 13:33:16 +0200
Subject: [PATCH] Fix CircleCI docs-build by updating EOL Docker images

Ruby 2.6 and Node 8 have been EOL for years and their Docker images
are no longer available, causing the docs-build job to fail. Update
to ruby:4.0 and node:24 (LTS), unpin the rouge gem version, and fix
a typo in the gh-pages flag (-add -> --add).
---
 .circleci/config.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3676f30..e621be3 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,14 +3,14 @@ version: 2
 jobs:
   docs-build:
     docker:
-      - image: ruby:2.6
+      - image: ruby:4.0
     steps:
       - checkout
       - run:
           name: Install AsciiDoctor & Rouge
           command: |
             gem install asciidoctor
-            gem install rouge -v 3.3.0
+            gem install rouge
       - run:
           name: Build Site
           command: asciidoctor -a toc="left" -a toclevels=2 README.adoc -o _build/html/index.html
@@ -19,7 +19,7 @@ jobs:
           paths: html
   docs-deploy:
     docker:
-      - image: node:8.10.0
+      - image: node:24
     steps:
       - checkout
       - attach_workspace:
@@ -38,7 +38,7 @@ jobs:
             - "31:6a:94:d6:ec:2d:6c:fc:0c:9e:61:8e:49:b2:6f:1e"
       - run:
           name: Deploy docs to gh-pages branch
-          command: gh-pages -add --dotfiles --message "[skip ci] Update site" --dist _build/html
+          command: gh-pages --add --dotfiles --message "[skip ci] Update site" --dist _build/html
 
 workflows:
   version: 2