diff --git a/.github/workflows/build-nix.yml b/.github/workflows/build-nix.yml
index 0cee048b84..5147ab8538 100644
--- a/.github/workflows/build-nix.yml
+++ b/.github/workflows/build-nix.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Setup git lfs
         uses: ./.github/actions/setup-git-lfs
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           install_url: https://releases.nixos.org/nix/nix-2.13.3/install
           extra_nix_config: |
diff --git a/.github/workflows/update-nix.yml b/.github/workflows/update-nix.yml
index b378ac3a3d..a3a1514b03 100644
--- a/.github/workflows/update-nix.yml
+++ b/.github/workflows/update-nix.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           extra_nix_config: |