diff --git a/.github/workflows/update-lint-and-build.yml b/.github/workflows/update-lint-and-build.yml
index 91e12dfa8..0a95b5655 100644
--- a/.github/workflows/update-lint-and-build.yml
+++ b/.github/workflows/update-lint-and-build.yml
@@ -7,6 +7,7 @@ on:
     branches:
       - '*'
   workflow_dispatch:
+  pull_request:
 
 jobs:
   update:
@@ -84,6 +85,28 @@ jobs:
       - uses: rffontenelle/sphinx-lint-problem-matcher@v1.0.0
       - run: sphinx-lint
 
+  spellcheck:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version: [ 3.14 ]
+    # needs: [ 'update' ] XXX Temporary, uncomment me before merging!
+    continue-on-error: true
+    steps:
+      - uses: actions/setup-python@master
+        with:
+          python-version: 3
+      - uses: actions/checkout@master
+        with:
+          ref: ${{ matrix.version }}
+      - name: Install dependencies
+        run: |
+          pip install pospell
+          sudo apt-get update && sudo apt-get install -y hunspell hunspell-pl
+      - name: Run pospell
+        run: pospell --language pl --glob '**/*.po'
+
   build:
     runs-on: ubuntu-latest
     strategy: