diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index faedee51..f493a224 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@V28
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Cachix
@@ -29,7 +29,7 @@ jobs:
         os: [macos-latest, ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@V28
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Cachix
diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml
index f861b552..25f12769 100644
--- a/.github/workflows/dependencies.yml
+++ b/.github/workflows/dependencies.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@V28
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
           nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-unstable.tar.gz
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index edd84923..02a98513 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@V28
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Cachix
@@ -31,7 +31,7 @@ jobs:
         os: [macos-latest, ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@V28
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Cachix
@@ -50,7 +50,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@V28
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Cachix