diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9d63b8f8..92c07d71 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,3 +22,12 @@ jobs:
         run: |
           npm install
           npm run build
+
+      - name: HACS release validation
+        uses: "hacs/action@21.2.2"
+        with:
+          category: "plugin"
+
+          # Don't attempt to load into HACS (as it loads the release, not the
+          # build).
+          ignore: "hacs"