diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index c7520e8..6575954 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -10,7 +10,7 @@ jobs:
   sync-to-hub:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           lfs: true
diff --git a/.github/workflows/teststreamlit.yml b/.github/workflows/teststreamlit.yml
new file mode 100644
index 0000000..43eb0a7
--- /dev/null
+++ b/.github/workflows/teststreamlit.yml
@@ -0,0 +1,23 @@
+name: Test Streamlit app
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  streamlit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - uses: streamlit/streamlit-app-action@v0.0.3
+        with:
+          app-path: app.py
+          ruff: true