diff --git a/.gitlab/ci/custom.images.yml b/.gitlab/ci/custom.images.yml
index b039423..7dd5e8f 100644
--- a/.gitlab/ci/custom.images.yml
+++ b/.gitlab/ci/custom.images.yml
@@ -25,13 +25,19 @@ sitespeed-gitlab:
 ubi-release:
   extends: .build_static_image
 
-www-gitlab-com-debian-bullseye-ruby-3.0-node-16:
+www-gitlab-com-debian-bullseye-ruby-3.0.6-node-16:
   extends: .build_static_image
   parallel:
     matrix:
       - ARCH: [ 'arm64', 'amd64' ]
 
-www-gitlab-com-debian-bullseye-ruby-3.2-node-18:
+www-gitlab-com-debian-bullseye-ruby-3.2.4-node-18:
+  extends: .build_static_image
+  parallel:
+    matrix:
+      - ARCH: [ 'arm64', 'amd64' ]
+
+www-gitlab-com-debian-bullseye-ruby-3.2.4-node-20:
   extends: .build_static_image
   parallel:
     matrix:
diff --git a/README.md b/README.md
index 422abc7..d50f557 100644
--- a/README.md
+++ b/README.md
@@ -25,20 +25,20 @@ Assuming the image you want to add is called `new-image`:
 
 1. Add a new build job:
 
-```yml
-new-image:
-  extends: .build_static_image
-```
+   ```yml
+   new-image:
+     extends: .build_static_image
+   ```
 
-**NOTE:** You can use `parallel:matrix` keyword to build images for multiple architectures:
+   **NOTE:** You can use `parallel:matrix` keyword to build images for multiple architectures:
 
-```yml
-new-image:
-  extends: .build_static_image
-  parallel:
-    matrix:
-      - ARCH: [ 'arm64', 'amd64' ]
-```
+   ```yml
+   new-image:
+     extends: .build_static_image
+     parallel:
+       matrix:
+         - ARCH: [ 'arm64', 'amd64' ]
+   ```
 
 1. Add a Dockerfile: `Dockerfile.new-image`.