diff --git a/packages/bun-polyfills/src/global/process.ts b/packages/bun-polyfills/src/global/process.ts
index d632bc4df1..1c996334b6 100644
--- a/packages/bun-polyfills/src/global/process.ts
+++ b/packages/bun-polyfills/src/global/process.ts
@@ -16,7 +16,7 @@ if (typeof process === 'object' && process !== null) {
     process.versions.c_ares = '0e7a5dee0fbb04080750cf6eabbe89d8bae87faa' satisfies Process['versions'][string];
     process.versions.zig = '0.12.0-dev.1604+caae40c21' satisfies Process['versions'][string];
     process.versions.bun = '1.0.13' satisfies Process['versions'][string];
-    Reflect.set(process, 'revision', 'db7cb6fa98c68d0a7ca513623538d7f008189f0f' satisfies Process['revision']);
+    Reflect.set(process, 'revision', 'b55994b0596f082ed90862f2f76539cd339478b6' satisfies Process['revision']);
     /** @end_generated_code */
 
     // Doesn't work on Windows sadly
diff --git a/packages/bun-polyfills/src/modules/bun.ts b/packages/bun-polyfills/src/modules/bun.ts
index 1433cb2c7c..654add4f33 100644
--- a/packages/bun-polyfills/src/modules/bun.ts
+++ b/packages/bun-polyfills/src/modules/bun.ts
@@ -48,7 +48,7 @@ export const main = path.resolve(process.cwd(), process.argv[1] ?? 'repl') satis
 
 //? These are automatically updated on build by tools/updateversions.ts, do not edit manually.
 export const version = '1.0.13' satisfies typeof Bun.version;
-export const revision = 'db7cb6fa98c68d0a7ca513623538d7f008189f0f' satisfies typeof Bun.revision;
+export const revision = 'b55994b0596f082ed90862f2f76539cd339478b6' satisfies typeof Bun.revision;
 
 export const gc = (
     globalThis.gc
diff --git a/packages/bun-polyfills/src/modules/bun/fileblob.ts b/packages/bun-polyfills/src/modules/bun/fileblob.ts
index 39b2836d55..ca7f2b6fab 100644
--- a/packages/bun-polyfills/src/modules/bun/fileblob.ts
+++ b/packages/bun-polyfills/src/modules/bun/fileblob.ts
@@ -172,10 +172,9 @@ export class FileBlob extends Blob implements BunFileBlob {
     }
 
     async exists(): Promise<boolean> {
-        if (typeof this.#fdOrPath !== 'number') return fs.existsSync(this.#fdOrPath);
         try {
-            fs.fstatSync(this.#fdOrPath);
-            return true;
+            if (typeof this.#fdOrPath !== 'number') return fs.statSync(this.#fdOrPath).isFile();
+            return fs.fstatSync(this.#fdOrPath).isFile();
         } catch {
             return false;
         }
diff --git a/packages/bun-polyfills/tools/test_all.js b/packages/bun-polyfills/tools/test_all.js
index bf3e3e544b..d1bf60e00e 100644
--- a/packages/bun-polyfills/tools/test_all.js
+++ b/packages/bun-polyfills/tools/test_all.js
@@ -15,9 +15,27 @@ await import('../../../test/js/bun/spawn/exit-code.test.ts');
 //await import('../../../test/js/bun/spawn/spawn-streaming-stdout.test.ts');
 await import('../../../test/js/bun/spawn/spawn.test.ts');
 await import('../../../test/js/bun/sqlite/sqlite.test.ts');
-// stream
-// test
-// util
+// stream: N/A
+// test: N/A
+await import('../../../test/js/bun/util/arraybuffersink.test.ts');
+await import('../../../test/js/bun/util/bun-file-exists.test.js');
+await import('../../../test/js/bun/util/bun-isMainThread.test.js');
+await import('../../../test/js/bun/util/concat.test.js');
+// Another slow test, and not really needed for the polyfills.
+//await import('../../../test/js/bun/util/error-gc-test.test.js');
+await import('../../../test/js/bun/util/escapeHTML.test.js');
+await import('../../../test/js/bun/util/file-type.test.ts');
+// Test below currently hangs, needs investigation.
+//await import('../../../test/js/bun/util/filesink.test.ts');
+await import('../../../test/js/bun/util/fileUrl.test.js');
+await import('../../../test/js/bun/util/hash.test.js');
+await import('../../../test/js/bun/util/index-of-line.test.ts');
+// Can't run because of JSX :(
+//await import('../../../test/js/bun/util/inspect.test.js');
+await import('../../../test/js/bun/util/mmap.test.js');
+// Test below currently hangs, needs investigation.
+//await import('../../../test/js/bun/util/password.test.ts');
+await import('../../../test/js/bun/util/peek.test.ts');
 // websocket
 // globals