diff --git a/.github/workflows/nix-fmt-checks.yaml b/.github/workflows/nix-fmt-checks.yaml
index be7ea56..af11b5c 100644
--- a/.github/workflows/nix-fmt-checks.yaml
+++ b/.github/workflows/nix-fmt-checks.yaml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@V28
+        uses: cachix/install-nix-action@v29
 
       - name: Run nix formatter tool
         run: nix fmt -- --fail-on-change
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e411bd1..e8ecfba 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@V28
+      - uses: cachix/install-nix-action@v29
         with:
           nix_path: nixpkgs=channel:nixos-unstable
           extra_nix_config: |