diff --git a/.github/workflows/build-devcontainers.yml b/.github/workflows/build-devcontainers.yml
index 1eb57c79..9707e2e8 100644
--- a/.github/workflows/build-devcontainers.yml
+++ b/.github/workflows/build-devcontainers.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v8
+      - uses: DeterminateSystems/magic-nix-cache-action@v9
         with:
           extra-conf: |
             keep-going = true
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0d3e221b..cfdf29f9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v8
+      - uses: DeterminateSystems/magic-nix-cache-action@v9
         with:
           extra-conf: |
             keep-going = true
diff --git a/.github/workflows/iso.yml b/.github/workflows/iso.yml
index 304dfb77..179cd9ff 100644
--- a/.github/workflows/iso.yml
+++ b/.github/workflows/iso.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v8
+      - uses: DeterminateSystems/magic-nix-cache-action@v9
       - name: Build ISO
         run: |
           nix build .#images.${{ matrix.arch }}.bootstrap-install-iso --impure --out-link build-iso-result
diff --git a/.github/workflows/site.yml b/.github/workflows/site.yml
index dcdf3115..71f999d7 100644
--- a/.github/workflows/site.yml
+++ b/.github/workflows/site.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v8
+      - uses: DeterminateSystems/magic-nix-cache-action@v9
       - env:
           NIXPKGS_ALLOW_UNFREE: "1"
         run: nix build .#devPackages.x86_64-linux.website