diff --git a/.github/workflows/site.yml b/.github/workflows/site.yml
index df2308c..4b1c18e 100644
--- a/.github/workflows/site.yml
+++ b/.github/workflows/site.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4.1.1
 
       - name: "Install Nix ❄️"
-        uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+        uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
 
       - name: "Build 🛠️"
         run: "nix build ."
diff --git a/.github/workflows/update-flakes.yml b/.github/workflows/update-flakes.yml
index d85bd23..22d3663 100644
--- a/.github/workflows/update-flakes.yml
+++ b/.github/workflows/update-flakes.yml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v4.1.1
 
       - name: install Nix
-        uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+        uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # v25
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}