diff --git a/playwright-ct.config.ts b/playwright-ct.config.ts
index 3ca605249d..eeb35835bf 100644
--- a/playwright-ct.config.ts
+++ b/playwright-ct.config.ts
@@ -26,8 +26,10 @@ const config: PlaywrightTestConfig = defineConfig({
   /* Retry on CI only */
   retries: process.env.CI ? 2 : 0,
 
-  /* Opt out of parallel tests on CI. */
-  workers: process.env.CI ? 1 : undefined,
+  /* Opt out of parallel tests. */
+  // on non-performant local machines some tests may fail due to lack of resources
+  // so we opt out of parallel tests in any environment
+  workers: 1,
 
   /* Reporter to use. See https://playwright.dev/docs/test-reporters */
   reporter: 'html',