diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 3cb40f5..63ac466 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -7,21 +7,17 @@ jobs:
   test:
     name: Test
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        json-file:
+          - "action.json"
+          - "k8s.json"
+          - "helm.json"
+          - "common.json"
+          - "docker-compose.json"
     steps:
       - uses: actions/checkout@v5
-      - name: Validate "action.json"
+      - name: Validate "${{ matrix.json-file }}"
         uses: https://gitea.t000-n.de/t.behrendt/validate-json-by-json-schema-action@0.1.2
         with:
-          json-file: "./action.json"
-      - name: Validate "k8s.json"
-        uses: https://gitea.t000-n.de/t.behrendt/validate-json-by-json-schema-action@0.1.2
-        with:
-          json-file: "./k8s.json"
-      - name: Validate "helm.json"
-        uses: https://gitea.t000-n.de/t.behrendt/validate-json-by-json-schema-action@0.1.2
-        with:
-          json-file: "./helm.json"
-      - name: Validate "common.json"
-        uses: https://gitea.t000-n.de/t.behrendt/validate-json-by-json-schema-action@0.1.2
-        with:
-          json-file: "./common.json"
+          json-file: "./${{ matrix.json-file }}"