diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1db5f05..b36aa53 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,11 +17,29 @@ jobs:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - run: nix fmt -- --ci
 
+  checks-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v7
+      - uses: cachix/install-nix-action@v31
+      - name: compute all checks to use as a matrix
+        id: set-matrix
+        run: |
+          set -Eeu
+          matrix="$(nix flake show --json | jq '.checks."x86_64-linux"' | jq -cr 'keys')"
+          echo "matrix=${matrix}" >> "$GITHUB_OUTPUT"
   test:
     runs-on: ubuntu-latest
+    needs: checks-matrix
+    strategy:
+      fail-fast: false
+      matrix:
+        check: ${{ fromJson(needs.checks-matrix.outputs.matrix) }}
     steps:
       - uses: actions/checkout@v7
       - uses: cachix/install-nix-action@v31
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - run: nix flake check -L
+      - run: nix build -L '.#checks.x86_64-linux.${{ matrix.check }}'