diff --git a/.github/workflows/Build_SDImage_aarch64.yml b/.github/workflows/Build_SDImage_aarch64.yml
index 39c2616..aaf89c0 100644
--- a/.github/workflows/Build_SDImage_aarch64.yml
+++ b/.github/workflows/Build_SDImage_aarch64.yml
@@ -7,15 +7,18 @@ jobs:
     name: Build OS image - AARCH64
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2.3.4
-
-      - uses: cachix/install-nix-action@v13
+      - uses: actions/checkout@v3
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v4
         with:
           # Pin because the latest all-hardware profile changes
           # https://github.com/NixOS/nixpkgs/pull/128532
-          nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/c23146505c35a07bafbecf36af4f9ebde2bb7dfd.tar.gz
+          #nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/c23146505c35a07bafbecf36af4f9ebde2bb7dfd.tar.gz
           extra_nix_config: |
             extra-platforms = aarch64-linux
+      - name: Run the Magic Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@v2
+
 
 
       - run: |
@@ -31,7 +34,7 @@ jobs:
           nix-build '<nixpkgs/nixos>'  \
             -A config.system.build.sdImage \
             -I nixos-config=./sd-image_aarch64.nix \
-            --argstr system aarch64-linux \
+            --argstr system aarch64-linux 
 
       - uses: actions/upload-artifact@v2
         with: