diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index e490921..2c93b8d 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -10,8 +10,53 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
+  checks-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - uses: DeterminateSystems/flake-checker-action@main
+      - id: set-matrix
+        name: Generate Nix Matrix
+        run: |
+          set -Eeu
+          matrix="$(nix eval --json '.#githubActions.matrix')"
+          echo "matrix=$matrix" >> "$GITHUB_OUTPUT"
+
+  checks-build:
+    needs: nix-matrix
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v27
+      - run: nix build -L '.#${{ matrix.attr }}'
+
+  docs:
+    - name: Exit if not on master branch
+      if: github.ref == 'refs/heads/master'
+      run: exit 0
 
+    - name: Generate docs
+      run: nix build .#checks.x86_64-linux.mnn-docs
+
+    - name: Setup Pages
+      uses: actions/configure-pages@v5
+
+    - name: Upload artifact
+      uses: actions/upload-pages-artifact@v3
+      with:
+        path: result/share/doc/mnn
+
+    - name: Deploy to gh-pages
+      id: deployment
+      uses: actions/deploy-pages@v4
+
+  codecov:
     runs-on: ubuntu-latest
     permissions:
       id-token: "write"
@@ -23,9 +68,6 @@ jobs:
     - uses: DeterminateSystems/magic-nix-cache-action@main
     - uses: DeterminateSystems/flake-checker-action@main
 
-    - name: Run `nix flake check`
-      run: nix flake check
-
     - name: Run codecov
       run: nix build .#mnn-llvm-cov
 
@@ -39,17 +81,3 @@ jobs:
         files: ./result
         verbose: true
 
-    - name: Generate docs
-      run: nix build .#x86_64-linux.mnn-docs
-
-    - name: Setup Pages
-      uses: actions/configure-pages@v5
-
-    - name: Upload artifact
-      uses: actions/upload-pages-artifact@v3
-      with:
-        path: result/share/doc/mnn
-
-    - name: Deploy to gh-pages
-      id: deployment
-      uses: actions/deploy-pages@v4
diff --git a/flake.lock b/flake.lock
index 5e7eb21..6a35de4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -105,6 +105,26 @@
         "type": "github"
       }
     },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1720066371,
+        "narHash": "sha256-uPlLYH2S0ACj0IcgaK9Lsf4spmJoGejR9DotXiXSBZQ=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "622f829f5fe69310a866c8a6cd07e747c44ef820",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1725103162,
@@ -127,6 +147,7 @@
         "crane": "crane",
         "flake-utils": "flake-utils",
         "mnn-overlay": "mnn-overlay",
+        "nix-github-actions": "nix-github-actions",
         "nixpkgs": "nixpkgs",
         "rust-overlay": "rust-overlay"
       }
diff --git a/flake.nix b/flake.nix
index 1f164e5..8346048 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,6 +5,10 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
     crane.url = "github:ipetkov/crane";
+    nix-github-actions = {
+      url = "github:nix-community/nix-github-actions";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -26,9 +30,10 @@
     rust-overlay,
     mnn-overlay,
     advisory-db,
+    nix-github-actions,
     ...
-  }:
-    flake-utils.lib.eachDefaultSystem (
+  }: let
+    out = flake-utils.lib.eachDefaultSystem (
       system: let
         pkgs = import nixpkgs {
           inherit system;
@@ -151,4 +156,9 @@
         };
       }
     );
+  in
+    out
+    // {
+      githubActions = nix-github-actions.lib.mkGithubMatrix {checks = out.x86_64-linux.packages;};
+    };
 }