diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index cec1fb06..1c52cd35 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@V27
-      - uses: DeterminateSystems/magic-nix-cache-action@v4
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
       - name: Check flake
         run: nix flake check
   nixos:
@@ -21,6 +21,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@V27
-      - uses: DeterminateSystems/magic-nix-cache-action@v4
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
       - name: Build NixOS configuration
         run: nix run '.#os' -- build -L --flake '.#ci' --print-build-logs