diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 22cde4dd..245c248d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -102,6 +102,31 @@ jobs:
       - name: Publish coverage report
         uses: codecov/codecov-action@v3
 
+  check-envvar-docs:
+    runs-on: ubuntu-latest
+    name: Documentation build
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          cache: 'pip'
+          cache-dependency-path: 'requirements/*.txt'
+      - name: Install dependencies
+        run: pip install -r requirements/ci.txt pytest
+      - name: Generate environment variable documentation using OAf and check if it was updated
+        run: |
+          bin/generate_envvar_docs.sh
+          changes=$(git diff docs/installation/config.rst)
+          if [ ! -z "$changes" ]; then
+              echo $changes
+              echo "Please update the environment documentation by running \`bin/generate_envvar_docs.sh\`"
+              exit 1
+          fi
+        env:
+          DJANGO_SETTINGS_MODULE: openklant.conf.ci
+
   docker:
     needs: tests
     name: Build Docker image
diff --git a/bin/generate_envvar_docs.sh b/bin/generate_envvar_docs.sh
new file mode 100755
index 00000000..8502ba12
--- /dev/null
+++ b/bin/generate_envvar_docs.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# Generates the documentation for environment variables
+src/manage.py generate_envvar_docs --file docs/installation/config.rst --exclude-group Celery