diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6f4b788..efe39b9 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -27,3 +27,9 @@ jobs:
 
             -   name: Check coding styles
                 run: composer run-script lpv:cs-lint
+
+            -   name: Check leanness of package
+                uses: raphaelstolt/lean-package-validator-action@v0.0.3
+                with:
+                    php-version: "${{ matrix.php }}"
+                    lpv-version: "3.0.0"