diff --git a/.changeset/fn-blank-page-service-worker-assets.md b/.changeset/fn-blank-page-service-worker-assets.md
new file mode 100644
index 0000000000..19dfd36ecf
--- /dev/null
+++ b/.changeset/fn-blank-page-service-worker-assets.md
@@ -0,0 +1,5 @@
+---
+"@runfusion/fusion": patch
+---
+
+Revalidate dashboard service-worker assets before falling back to cache so rebuilt tabs cannot stay on stale bundles and render a blank page.
diff --git a/packages/dashboard/app/__tests__/pwa.test.ts b/packages/dashboard/app/__tests__/pwa.test.ts
index 45fe05fac2..09ce06fafb 100644
--- a/packages/dashboard/app/__tests__/pwa.test.ts
+++ b/packages/dashboard/app/__tests__/pwa.test.ts
@@ -194,7 +194,7 @@ describe("PWA configuration", () => {
     expect(swSource).toContain('addEventListener("install"');
     expect(swSource).toContain('addEventListener("fetch"');
     expect(swSource).toContain('addEventListener("activate"');
-    expect(swSource).toContain('const CACHE_NAME = "fusion-cache-v4";');
+    expect(swSource).toContain('const CACHE_NAME = "fusion-cache-v5";');
   });
 
   it("service worker bypasses SSE requests instead of trying to cache them", () => {
@@ -316,7 +316,7 @@ describe("PWA configuration", () => {
 
       expect(indexHtml).toContain('<link rel="icon" type="image/svg+xml" href="/logo.svg" />');
       expect(indexHtml).toContain('<link rel="apple-touch-icon" href="/icons/icon-192.png" />');
-      expect(swSource).toContain('const CACHE_NAME = "fusion-cache-v4";');
+      expect(swSource).toContain('const CACHE_NAME = "fusion-cache-v5";');
     });
   });
 });
diff --git a/packages/dashboard/app/public/sw.js b/packages/dashboard/app/public/sw.js
index 9f53c68c68..dbd20849e5 100644
--- a/packages/dashboard/app/public/sw.js
+++ b/packages/dashboard/app/public/sw.js
@@ -1,4 +1,4 @@
-const CACHE_NAME = "fusion-cache-v4";
+const CACHE_NAME = "fusion-cache-v5";
 const APP_SHELL_URLS = [
   "/",
   "/index.html",
diff --git a/packages/dashboard/app/versionCheck.ts b/packages/dashboard/app/versionCheck.ts
index 7676c3f031..794baa1ada 100644
--- a/packages/dashboard/app/versionCheck.ts
+++ b/packages/dashboard/app/versionCheck.ts
@@ -240,7 +240,8 @@ export async function checkVersion(trigger: VersionCheckTrigger = "initial"): Pr
     } catch {
       // ignore
     }
-    if (autoReloadEnabled) {
+    const alreadyAttempted = Boolean((() => { try { return sessionStorage.getItem(RELOAD_FLAG); } catch { return null; } })());
+    if (autoReloadEnabled && !alreadyAttempted) {
       setReloadedRemoteVersion(remote);
     }
     reloadOnce(`build version changed: ${__BUILD_VERSION__} -> ${remote}`);