diff --git a/.github/workflows/nix-integration-test.yml b/.github/workflows/nix-integration-test.yml
index 3d760ae..5f20b01 100644
--- a/.github/workflows/nix-integration-test.yml
+++ b/.github/workflows/nix-integration-test.yml
@@ -13,5 +13,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - uses: DeterminateSystems/nix-installer-action@7993355175c2765e5733dae74f3e0786fe0e5c4f # v12
+      - uses: DeterminateSystems/nix-installer-action@ab6bcb2d5af0e904d04aea750e2089e9dc4cbfdd # v13
       - run: nix flake check
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index bd6a9e2..103368c 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -14,6 +14,6 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           ssh-key: ${{ secrets.UPDATE_FLAKE_LOCK_SSH_KEY }}
-      - uses: DeterminateSystems/nix-installer-action@7993355175c2765e5733dae74f3e0786fe0e5c4f # v12
+      - uses: DeterminateSystems/nix-installer-action@ab6bcb2d5af0e904d04aea750e2089e9dc4cbfdd # v13
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@db4ee38117a597ea8df8f7f75a187dd65093eade # v23