diff --git a/.github/workflows/build-test-publish.yml b/.github/workflows/build-test-publish.yml
index 21606f46..811a2e95 100644
--- a/.github/workflows/build-test-publish.yml
+++ b/.github/workflows/build-test-publish.yml
@@ -92,6 +92,12 @@ jobs:
           - builder: builder-24
             language: node-js
             arch: arm64
+          - builder: builder-24
+            language: ruby
+            arch: amd64
+          - builder: builder-24
+            language: ruby
+            arch: arm64
     steps:
       # Checkout is needed only for the setup_docker_ci script
       - name: Checkout
diff --git a/builder-20/builder.toml b/builder-20/builder.toml
index 5863b967..66cb4358 100644
--- a/builder-20/builder.toml
+++ b/builder-20/builder.toml
@@ -34,7 +34,7 @@ version = "0.19.6"
 
 [[buildpacks]]
   id = "heroku/ruby"
-  uri = "docker://docker.io/heroku/buildpack-ruby@sha256:995e2898a7a7fe1cb38ac24263d2f7d3fba1051ce170033320116a8aa81f9b21"
+  uri = "docker://docker.io/heroku/buildpack-ruby@sha256:b98b873adf2fc51dce9ae09331486cfe2f799ec233eb7128d1f5068e6e63e25a"
 
 [[buildpacks]]
   id = "heroku/scala"
@@ -64,7 +64,7 @@ version = "0.19.6"
     optional = true
   [[order.group]]
     id = "heroku/ruby"
-    version = "2.1.3"
+    version = "3.0.0"
   [[order.group]]
     id = "heroku/procfile"
     version = "3.1.1"
diff --git a/builder-22/builder.toml b/builder-22/builder.toml
index 29d8fc56..5a27e7a5 100644
--- a/builder-22/builder.toml
+++ b/builder-22/builder.toml
@@ -34,7 +34,7 @@ version = "0.19.6"
 
 [[buildpacks]]
   id = "heroku/ruby"
-  uri = "docker://docker.io/heroku/buildpack-ruby@sha256:995e2898a7a7fe1cb38ac24263d2f7d3fba1051ce170033320116a8aa81f9b21"
+  uri = "docker://docker.io/heroku/buildpack-ruby@sha256:b98b873adf2fc51dce9ae09331486cfe2f799ec233eb7128d1f5068e6e63e25a"
 
 [[buildpacks]]
   id = "heroku/scala"
@@ -64,7 +64,7 @@ version = "0.19.6"
     optional = true
   [[order.group]]
     id = "heroku/ruby"
-    version = "2.1.3"
+    version = "3.0.0"
   [[order.group]]
     id = "heroku/procfile"
     version = "3.1.1"
diff --git a/builder-24/builder.toml b/builder-24/builder.toml
index 5e2ba830..bc40621e 100644
--- a/builder-24/builder.toml
+++ b/builder-24/builder.toml
@@ -24,6 +24,10 @@ version = "0.19.6"
   id = "heroku/python"
   uri = "docker://docker.io/heroku/buildpack-python@sha256:a64c75016e01aced71f98262eba7cdd132170f43df5281c94d624cbb1d230da2"
 
+[[buildpacks]]
+  id = "heroku/ruby"
+  uri = "docker://docker.io/heroku/buildpack-ruby@sha256:b98b873adf2fc51dce9ae09331486cfe2f799ec233eb7128d1f5068e6e63e25a"
+
 [[order]]
   [[order.group]]
     id = "heroku/python"
@@ -33,6 +37,28 @@ version = "0.19.6"
     version = "3.1.1"
     optional = true
 
+[[order]]
+  [[order.group]]
+    id = "heroku/nodejs-engine"
+    version = "3.2.1"
+    optional = true
+  [[order.group]]
+    id = "heroku/nodejs-yarn"
+    version = "3.2.1"
+    optional = true
+  # TODO: Enable once `heroku/jvm` supports Heroku-24.
+  # [[order.group]]
+  #   id = "heroku/jvm"
+  #   version = "TBD"
+  #   optional = true
+  [[order.group]]
+    id = "heroku/ruby"
+    version = "3.0.0"
+  [[order.group]]
+    id = "heroku/procfile"
+    version = "3.1.1"
+    optional = true
+
 [[order]]
   [[order.group]]
     id = "heroku/nodejs"