diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c63c1d8f5..d93107799 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,18 +16,18 @@ jobs:
           python-version: '3.10'
       - uses: pre-commit/action@v3.0.1
 
-  # ubc:
-  #   name: ubc
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@v4
-  #     - uses: useblocks/ubc-action@main
-  #       with:
-  #         version: 0.19.1
-  #     - name: Run 'ubc check docs'
-  #       run: ubc check docs
-  #     - name: Run 'ubc build index docs'
-  #       run: ubc build index docs --show-warnings
+  ubc:
+    name: ubc
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: useblocks/ubc-action@main
+        with:
+          version: latest
+      - name: Run 'ubc check docs'
+        run: ubc check docs
+      - name: Run 'ubc build index docs'
+        run: ubc build index docs --show-warnings
 
   tests-core:
     name: "Core py${{ matrix.python-version }} sphinx~=${{ matrix.sphinx-version }} ${{ matrix.os }}"