diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 42d3ea2..8345194 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,9 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
-        with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: DeterminateSystems/nix-installer-action@v12
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
       - run: nix flake check
       - name: Install direnv with Nix
         uses: aldoborrero/direnv-nix-action@v2
@@ -37,9 +36,8 @@ jobs:
     needs: build
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
-        with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: DeterminateSystems/nix-installer-action@v12
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
       - name: Get tag version
         if: startsWith(github.ref, 'refs/tags/')
         id: get_tag_version
@@ -60,9 +58,8 @@ jobs:
     needs: build
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
-        with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: DeterminateSystems/nix-installer-action@v12
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
       - name: Install direnv with Nix
         uses: aldoborrero/direnv-nix-action@v2
         with:
@@ -74,7 +71,6 @@ jobs:
         with:
           name: docs
           path: docs/
-      # https://github.com/actions/upload-pages-artifact
       - uses: actions/upload-pages-artifact@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
@@ -82,5 +78,4 @@ jobs:
       - name: Deploy to GitHub Pages
         if: startsWith(github.ref, 'refs/tags/')
         id: deployment
-        # https://github.com/actions/deploy-pages
         uses: actions/deploy-pages@v2
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index ab8482c..bd1d183 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -12,9 +12,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
-        with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: DeterminateSystems/nix-installer-action@v12
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@main
         with: