diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 133bd04..4ae416e 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -9,6 +9,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v12
+      - uses: DeterminateSystems/nix-installer-action@v13
       - uses: DeterminateSystems/magic-nix-cache-action@v7
       - run: nix flake check
diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index 0a33935..f0728c9 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -9,7 +9,7 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v12
+      - uses: DeterminateSystems/nix-installer-action@v13
       - uses: DeterminateSystems/magic-nix-cache-action@v7
       - run: |
           git config user.name github-actions[bot]