diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index 10f18300..5065d475 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.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:
           github_access_token: '${{ secrets.GITHUB_TOKEN }}'
       - name: Cachix
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 67e6387d..ee7a5f40 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
         with:
           github_access_token: '${{ secrets.GITHUB_TOKEN }}'
       - name: Cachix