diff --git a/.github/workflows/playwright-update.yml b/.github/workflows/playwright-update.yml
index 47dd68d..2350bac 100644
--- a/.github/workflows/playwright-update.yml
+++ b/.github/workflows/playwright-update.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        browser: [firefox, chromium]
+        browser: [firefox, chromium, webkit]
 
     steps:
       - name: React to the triggering comment
diff --git a/.github/workflows/ui-tests.yml b/.github/workflows/ui-tests.yml
index b773854..0791250 100644
--- a/.github/workflows/ui-tests.yml
+++ b/.github/workflows/ui-tests.yml
@@ -48,7 +48,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        browser: [firefox, chromium]
+        browser: [firefox, chromium, webkit]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/ui-tests/test/execute.test.ts b/ui-tests/test/execute.test.ts
index 704b4d0..8a278dd 100644
--- a/ui-tests/test/execute.test.ts
+++ b/ui-tests/test/execute.test.ts
@@ -14,8 +14,16 @@ test.describe('Code execution', () => {
     await page.goto('lab/index.html');
   });
 
-  test('Basic code execution', async ({ page }) => {
+  test('Basic code execution', async ({ page, browserName }) => {
+    if (browserName === 'webkit') {
+      // try waiting longer for webkit
+      test.setTimeout(60000 * 3);
+    }
     await page.notebook.createNew();
+
+    // TODO: remove
+    // See https://github.com/jupyterlab/jupyterlab/issues/15252 for more information
+    await page.notebook.setCell(0, 'code', '2 + 2');
     await page.notebook.setCell(0, 'code', '2 + 2');
     await page.notebook.run();
     const output = await page.notebook.getCellTextOutput(0);
diff --git a/ui-tests/test/general.test.ts-snapshots/launcher-webkit-linux.png b/ui-tests/test/general.test.ts-snapshots/launcher-webkit-linux.png
new file mode 100644
index 0000000..592bb96
Binary files /dev/null and b/ui-tests/test/general.test.ts-snapshots/launcher-webkit-linux.png differ