diff --git a/.github/workflows/coding-conventions.yml b/.github/workflows/coding-conventions.yml
index 913f97d80..caa33aaf4 100644
--- a/.github/workflows/coding-conventions.yml
+++ b/.github/workflows/coding-conventions.yml
@@ -54,9 +54,24 @@ jobs:
       - name: Install composer dependencies
         uses: ramsey/composer-install@v3
 
+      - name: Restore PHPStan result cache
+        uses: actions/cache/restore@v4
+        with:
+          path: .cache/phpstan
+          key: "phpstan-result-cache-${{ github.run_id }}"
+          restore-keys: |
+            phpstan-result-cache-
+
       - name: Run PHPStan
         run: vendor/bin/phpstan --error-format=github
 
+      - name: Save PHPStan result cache
+        uses: actions/cache/save@v4
+        if: ${{ !cancelled() }}
+        with:
+          path: .cache/phpstan
+          key: "phpstan-result-cache-${{ github.run_id }}"
+
 #  rector:
 #    name: "Run static analysis: Rector"
 #    runs-on: ubuntu-latest