diff --git a/.github/workflows/build-iso.yml b/.github/workflows/build-iso.yml
index ebbcf54f2..75304bd69 100644
--- a/.github/workflows/build-iso.yml
+++ b/.github/workflows/build-iso.yml
@@ -23,7 +23,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: DeterminateSystems/nix-installer-action@v10
-    - uses: DeterminateSystems/magic-nix-cache-action@v3
+    - uses: DeterminateSystems/magic-nix-cache-action@v4
     - name: Build Console ISO
       run: |
         nix build .#nixosConfigurations.iso-console.config.system.build.isoImage
diff --git a/.github/workflows/deadnix.yml b/.github/workflows/deadnix.yml
index 38b836119..0160a12c9 100644
--- a/.github/workflows/deadnix.yml
+++ b/.github/workflows/deadnix.yml
@@ -12,5 +12,5 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v10
-      - uses: DeterminateSystems/magic-nix-cache-action@v3
+      - uses: DeterminateSystems/magic-nix-cache-action@v4
       - uses: astro/deadnix-action@v1
diff --git a/.github/workflows/flake-checker.yml b/.github/workflows/flake-checker.yml
index d4676b6ef..089840631 100644
--- a/.github/workflows/flake-checker.yml
+++ b/.github/workflows/flake-checker.yml
@@ -18,5 +18,5 @@ jobs:
         with:
           fetch-depth: 0
       - uses: DeterminateSystems/nix-installer-action@v10
-      - uses: DeterminateSystems/magic-nix-cache-action@v3
+      - uses: DeterminateSystems/magic-nix-cache-action@v4
       - uses: DeterminateSystems/flake-checker-action@v5
diff --git a/.github/workflows/lock-updater.yml b/.github/workflows/lock-updater.yml
index c2f5a384b..26a5ff1fe 100644
--- a/.github/workflows/lock-updater.yml
+++ b/.github/workflows/lock-updater.yml
@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 0
       - uses: DeterminateSystems/nix-installer-action@v10
-      - uses: DeterminateSystems/magic-nix-cache-action@v3
+      - uses: DeterminateSystems/magic-nix-cache-action@v4
       - uses: DeterminateSystems/update-flake-lock@v21
         with:
           pr-title: "chore: update flake.lock"