diff --git a/.github/workflows/jdk23.yml b/.github/workflows/jdk23.yml
new file mode 100644
index 0000000..0b559fb
--- /dev/null
+++ b/.github/workflows/jdk23.yml
@@ -0,0 +1,48 @@
+name: JDK23
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - '.github/workflows/jdk23.yml'
+      - 'Casks/zulu-jdk23.rb'
+  pull_request:
+    branches:
+      - master
+    paths:
+      - '.github/workflows/jdk23.yml'
+      - 'Casks/zulu-jdk23.rb'
+
+jobs:
+
+  check:
+    name: Check
+    strategy:
+      matrix:
+        os:
+          # macos-latest is based on arm64.
+          - macos-latest
+          # macos-12 is based on x64.
+          - macos-12
+    runs-on: ${{ matrix.os }}
+    env:
+      HOMEBREW_COLOR: 1
+      HOMEBREW_DEVELOPER: 1
+    steps:
+
+      - name: Check out
+        uses: actions/checkout@v4
+
+      - name: brew pull & reset & tap
+        run: |
+          brew update-reset "$(brew --repository)"
+          brew update-reset "$(brew --repository homebrew/cask)"
+          mkdir -p $(brew --repo)/Library/Taps/mdogan
+          ln -s $GITHUB_WORKSPACE $(brew --repo)/Library/Taps/mdogan/homebrew-zulu
+
+      - name: install jdk23
+        run: brew install zulu-jdk23
+
+      - name: uninstall jdk23
+        run: brew uninstall zulu-jdk23
diff --git a/Casks/zulu-jdk23.rb b/Casks/zulu-jdk23.rb
new file mode 100644
index 0000000..b7a65bf
--- /dev/null
+++ b/Casks/zulu-jdk23.rb
@@ -0,0 +1,28 @@
+cask 'zulu-jdk23' do
+
+  on_intel do
+    version '23.28.85,23.0.0'
+    sha256 '01a85fef022d0a87a4383844dc43fa93376e73080ddc2b4c1dbbe77c2615e920'
+
+    url 'https://cdn.azul.com/zulu/bin/zulu23.28.85-ca-jdk23.0.0-macosx_x64.dmg',
+        referer: 'https://www.azul.com/downloads/zulu-community/'
+
+    depends_on macos: '>= :mojave'
+  end
+  on_arm do
+    version '23.28.85,23.0.0'
+    sha256 'cb64c3c5e54893478a0657593a22edb978e1035900cdad714408a14fe3348228'
+
+    url 'https://cdn.azul.com/zulu/bin/zulu23.28.85-ca-jdk23.0.0-macosx_aarch64.dmg',
+        referer: 'https://www.azul.com/downloads/zulu-community/'
+
+    depends_on macos: '>= :big_sur'
+  end
+
+  name 'Azul Zulu® JDK 23'
+  homepage 'https://www.azul.com/downloads/zulu-community/'
+
+  pkg 'Double-Click to Install Azul Zulu JDK 23.pkg'
+
+  uninstall pkgutil: 'com.azulsystems.zulu.23'
+end
diff --git a/README.md b/README.md
index 85a04a0..a96e84f 100755
--- a/README.md
+++ b/README.md
@@ -34,4 +34,5 @@ brew install <name>
 | OpenJDK 20 | `zulu-jdk20` | 20.0.2 | [![JDK20](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk20.yml/badge.svg?branch=master&event=push)](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk20.yml) |
 | OpenJDK 21 | `zulu-jdk21` | 21.0.4 | [![JDK21](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk21.yml/badge.svg?branch=master&event=push)](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk21.yml) |
 | OpenJDK 22 | `zulu-jdk22` | 22.0.2 | [![JDK22](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk22.yml/badge.svg?branch=master&event=push)](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk22.yml) |
+| OpenJDK 23 | `zulu-jdk23` | 23.0.0 | [![JDK23](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk23.yml/badge.svg?branch=master&event=push)](https://github.com/mdogan/homebrew-zulu/actions/workflows/jdk23.yml) |
 | Mission Control | `zulu-mc` | 8.3.1 | [![MC](https://github.com/mdogan/homebrew-zulu/workflows/MissionControl/badge.svg)](https://github.com/mdogan/homebrew-zulu/actions) |