diff --git a/patches/sirv@2.0.4.patch b/patches/sirv@2.0.4.patch
index d6cf2c64ab7751..e018da163fe0fd 100644
--- a/patches/sirv@2.0.4.patch
+++ b/patches/sirv@2.0.4.patch
@@ -1,7 +1,14 @@
 diff --git a/build.js b/build.js
-index 0884d9ffaa24d0ae3ec020a6faff12b3125b2071..85b82c90346e829bbf723e913f282c80096df061 100644
+index 0884d9ffaa24d0ae3ec020a6faff12b3125b2071..0e2a690abb3bd121f6ba7c0855163b816f5a7a70 100644
 --- a/build.js
 +++ b/build.js
+@@ -1,5 +1,5 @@
+ const fs = require('fs');
+-const { join, normalize, resolve } = require('path');
++const { join, normalize, resolve, sep } = require('path');
+ const { totalist } = require('totalist/sync');
+ const { parse } = require('@polka/url');
+ const { lookup } = require('mrmime');
 @@ -35,7 +35,7 @@ function viaCache(cache, uri, extns) {
  	}
  }
@@ -19,6 +26,15 @@ index 0884d9ffaa24d0ae3ec020a6faff12b3125b2071..85b82c90346e829bbf723e913f282c80
  			headers = toHeaders(name, stats, isEtag);
  			headers['Cache-Control'] = isEtag ? 'no-cache' : 'no-store';
  			return { abs, stats, headers };
+@@ -161,7 +162,7 @@ module.exports = function (dir, opts={}) {
+ 		});
+ 	}
+ 
+-	let lookup = opts.dev ? viaLocal.bind(0, dir, isEtag) : viaCache.bind(0, FILES);
++	let lookup = opts.dev ? viaLocal.bind(0, dir.endsWith(sep) ? dir : dir + sep, isEtag) : viaCache.bind(0, FILES);
+ 
+ 	return function (req, res, next) {
+ 		let extns = [''];
 @@ -176,7 +177,7 @@ module.exports = function (dir, opts={}) {
  			catch (err) { /* malform uri */ }
  		}
@@ -29,9 +45,16 @@ index 0884d9ffaa24d0ae3ec020a6faff12b3125b2071..85b82c90346e829bbf723e913f282c80
  
  		if (isEtag && req.headers['if-none-match'] === data.headers['ETag']) {
 diff --git a/build.mjs b/build.mjs
-index c93bbe6bdfb7ad13ee20f0c44d80d6aacdd64087..3dc3e22f09abcae51aef7b75c34dc08b1f6e6abd 100644
+index c93bbe6bdfb7ad13ee20f0c44d80d6aacdd64087..9127789c792ffb23022524fd2a6f997286afe0cf 100644
 --- a/build.mjs
 +++ b/build.mjs
+@@ -1,5 +1,5 @@
+ import * as fs from 'fs';
+-import { join, normalize, resolve } from 'path';
++import { join, normalize, resolve, sep } from 'path';
+ import { totalist } from 'totalist/sync';
+ import { parse } from '@polka/url';
+ import { lookup } from 'mrmime';
 @@ -35,7 +35,7 @@ function viaCache(cache, uri, extns) {
  	}
  }
@@ -49,6 +72,15 @@ index c93bbe6bdfb7ad13ee20f0c44d80d6aacdd64087..3dc3e22f09abcae51aef7b75c34dc08b
  			headers = toHeaders(name, stats, isEtag);
  			headers['Cache-Control'] = isEtag ? 'no-cache' : 'no-store';
  			return { abs, stats, headers };
+@@ -161,7 +162,7 @@ export default function (dir, opts={}) {
+ 		});
+ 	}
+ 
+-	let lookup = opts.dev ? viaLocal.bind(0, dir, isEtag) : viaCache.bind(0, FILES);
++	let lookup = opts.dev ? viaLocal.bind(0, dir.endsWith(sep) ? dir : dir + sep, isEtag) : viaCache.bind(0, FILES);
+ 
+ 	return function (req, res, next) {
+ 		let extns = [''];
 @@ -176,7 +177,7 @@ export default function (dir, opts={}) {
  			catch (err) { /* malform uri */ }
  		}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 428345d8908140..bbde6f84f4aa79 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -18,7 +18,7 @@ patchedDependencies:
     hash: qqiqxx62zlcu62nljjmhlvexni
     path: patches/http-proxy@1.18.1.patch
   sirv@2.0.4:
-    hash: amdes53ifqfntejkflpaq5ifce
+    hash: owsaynqbfztzqsvxv437uugt5q
     path: patches/sirv@2.0.4.patch
 
 importers:
@@ -390,7 +390,7 @@ importers:
         version: 1.77.8
       sirv:
         specifier: ^2.0.4
-        version: 2.0.4(patch_hash=amdes53ifqfntejkflpaq5ifce)
+        version: 2.0.4(patch_hash=owsaynqbfztzqsvxv437uugt5q)
       source-map-support:
         specifier: ^0.5.21
         version: 0.5.21
@@ -802,7 +802,7 @@ importers:
     devDependencies:
       sirv:
         specifier: ^2.0.4
-        version: 2.0.4(patch_hash=amdes53ifqfntejkflpaq5ifce)
+        version: 2.0.4(patch_hash=owsaynqbfztzqsvxv437uugt5q)
 
   playground/minify:
     dependencies:
@@ -12438,7 +12438,7 @@ snapshots:
 
   simple-git-hooks@2.11.1: {}
 
-  sirv@2.0.4(patch_hash=amdes53ifqfntejkflpaq5ifce):
+  sirv@2.0.4(patch_hash=owsaynqbfztzqsvxv437uugt5q):
     dependencies:
       '@polka/url': 1.0.0-next.24
       mrmime: 2.0.0