diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f5dcce1..b07b9f1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v23
+    - uses: cachix/install-nix-action@v25
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 68c4fd4..b3ac9e3 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v23
+    - uses: cachix/install-nix-action@v25
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}    - uses: cachix/cachix-action@v12