diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4102e4c..7c1917d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,7 +44,7 @@ jobs:
             extra-platforms = aarch64-linux i686-linux
 
       - name: Use cache
-        uses: DeterminateSystems/magic-nix-cache-action@87e8236f46702ab0ce5a058b605a173ec88d618e # v6
+        uses: DeterminateSystems/magic-nix-cache-action@b46e247b898aa56e6d2d2e728dc6df6c84fdb738 # v7
 
       - name: Build ${{ matrix.name }}
         run: nix build ".#"${{ matrix.path }}
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index 8b03a03..7cf7fb7 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -24,7 +24,7 @@ jobs:
             extra-platforms = aarch64-linux i686-linux
 
       - name: Use cache
-        uses: DeterminateSystems/magic-nix-cache-action@87e8236f46702ab0ce5a058b605a173ec88d618e # v6
+        uses: DeterminateSystems/magic-nix-cache-action@b46e247b898aa56e6d2d2e728dc6df6c84fdb738 # v7
 
       - name: Update flake.lock
         id: update