diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1e2421e7..4e3a539f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,15 +18,15 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v23
         with:
-          nix_path: nixpkgs=channel:nixos-unstable
-          extra_nix_config: |
-            accept-flake-config = true
+          nix_path: nixpkgs=channel:nixos-23.05
+          # extra_nix_config: |
+          #   accept-flake-config = true
       - uses: cachix/cachix-action@v12
         with:
           name: williamhsieh
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       - run: nix build --show-trace
       - name: building home-manager profile
-        run: ./result/bin/home-manager build --flake .#william -b bak
+        run: ./result/bin/home-manager build --flake .#william