diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 95706e2ff..ddc68d76a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: Install pcre2grep
       run: sudo apt-get update && sudo apt-get install -y pcre2-utils
@@ -102,3 +102,17 @@ jobs:
       sep: /
       ext: .dso
       os: ubuntu-latest
+
+  LinuxArm64:
+    strategy:
+      fail-fast: false
+      matrix:
+        haxe: [ latest ] # 4.3.7 doesn't have a linux arm build
+    uses: ./.github/workflows/test.yml
+    name: Test Linux (Arm64)
+    with:
+      haxe: ${{ matrix.haxe  }}
+      arch: Arm64
+      sep: /
+      ext: .dso
+      os: ubuntu-24.04-arm
diff --git a/.github/workflows/setup/action.yml b/.github/workflows/setup/action.yml
index 3b7dae26e..da24d4e35 100644
--- a/.github/workflows/setup/action.yml
+++ b/.github/workflows/setup/action.yml
@@ -3,6 +3,9 @@ inputs:
   haxe:
     required: true
     type: string
+  arch:
+    required: true
+    type: string
 runs:
   using: composite
   steps:
@@ -20,7 +23,7 @@ runs:
         haxelib list
 
     - name: install native libraries
-      if: runner.os == 'Linux'
+      if: runner.os == 'Linux' && inputs.arch == 32
       shell: pwsh
       run: |
         sudo apt-get update -qqy
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3eac4e98d..00386bd9f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,11 +30,12 @@ jobs:
         working-directory: test/haxe
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: build
         run: haxe compile.hxml -D ${{ env.HXCPP_ARCH_FLAG }}
       - name: run
@@ -48,11 +49,12 @@ jobs:
         working-directory: test/cffi
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: build project
         working-directory: test/cffi/project
         run: haxelib run hxcpp build.xml -Ddebug -D${{ env.HXCPP_ARCH_FLAG }}
@@ -88,11 +90,12 @@ jobs:
         working-directory: test/telemetry
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: build
         run: haxe compile.hxml ${{ matrix.suffix }} -D ${{ env.HXCPP_ARCH_FLAG }}
       - name: run
@@ -106,11 +109,12 @@ jobs:
         working-directory: test/debugger
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: build
         run: haxe compile.hxml -D ${{ env.HXCPP_ARCH_FLAG }}
       - name: run
@@ -124,11 +128,12 @@ jobs:
           working-directory: test/native
       steps:
         - name: checkout
-          uses: actions/checkout@v4
+          uses: actions/checkout@v7
         - name: setup
           uses: ./.github/workflows/setup
           with:
             haxe: ${{ inputs.haxe }}
+            arch: ${{ inputs.arch }}
         - name: build
           run: haxe compile.hxml -D ${{ env.HXCPP_ARCH_FLAG }}
         - name: run
@@ -142,11 +147,12 @@ jobs:
           working-directory: test/std
       steps:
         - name: checkout
-          uses: actions/checkout@v4
+          uses: actions/checkout@v7
         - name: setup
           uses: ./.github/workflows/setup
           with:
             haxe: ${{ inputs.haxe }}
+            arch: ${{ inputs.arch }}
         - name: setup mariadb
           if: runner.os == 'Linux'
           run: |
@@ -175,11 +181,12 @@ jobs:
         working-directory: test/cppia
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: build host
         run: haxe compile-host.hxml -D ${{ env.HXCPP_ARCH_FLAG }}
       - name: build client
@@ -195,11 +202,12 @@ jobs:
         working-directory: haxe/tests/unit
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: Get Haxe commit SHA
         if: inputs.haxe == 'latest'
         id: haxe_sha
@@ -217,14 +225,14 @@ jobs:
           echo "Commit SHA: $short_sha, Full SHA: $full_sha"
       - name: checkout haxe (latest)
         if: inputs.haxe == 'latest'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           ref: ${{ steps.haxe_sha.outputs.sha }}
           repository: HaxeFoundation/haxe
           path: haxe
       - name: checkout haxe (stable)
         if: inputs.haxe != 'latest'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           repository: HaxeFoundation/haxe
           path: haxe
@@ -243,11 +251,12 @@ jobs:
     name: build tool tests
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: test c/cxx_standard attributes
         working-directory: test/cxx_standard
         shell: bash
@@ -265,10 +274,11 @@ jobs:
         working-directory: test/regression
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: setup
         uses: ./.github/workflows/setup
         with:
           haxe: ${{ inputs.haxe }}
+          arch: ${{ inputs.arch }}
       - name: run
         run: haxe --run Run -D ${{ env.HXCPP_ARCH_FLAG }}