diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index c1e38717c8..4007632291 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -40,8 +40,8 @@ html
 		link(rel='prefetch' href=infoImageUrl)
 		link(rel='prefetch' href=notFoundImageUrl)
 		//- https://github.com/misskey-dev/misskey/issues/9842
-		link(rel='stylesheet' href='/assets/phosphor-icons/bold/style.css')
-		link(rel='stylesheet' href='/static-assets/fonts/sharkey-icons/style.css')
+		link(rel='stylesheet' href=`/assets/phosphor-icons/bold/style.css?version=${version}`)
+		link(rel='stylesheet' href=`/static-assets/fonts/sharkey-icons/style.css?version=${version}`)
 		link(rel='modulepreload' href=`/vite/${clientEntry.file}`)
 
 		if !config.clientManifestExists
diff --git a/scripts/build-assets.mjs b/scripts/build-assets.mjs
index 7d0ab2fc80..c3c38cd9a6 100644
--- a/scripts/build-assets.mjs
+++ b/scripts/build-assets.mjs
@@ -35,6 +35,20 @@ async function copyFrontendFonts() {
 
 async function copyFrontendTablerIcons() {
   await fs.cp('./packages/frontend/node_modules/@phosphor-icons/web/src', './built/_frontend_dist_/phosphor-icons', { dereference: true, recursive: true });
+
+  for (const file of [
+		'./built/_frontend_dist_/phosphor-icons/bold/style.css',
+		'./built/_frontend_dist_/phosphor-icons/duotone/style.css',
+		'./built/_frontend_dist_/phosphor-icons/fill/style.css',
+		'./built/_frontend_dist_/phosphor-icons/light/style.css',
+		'./built/_frontend_dist_/phosphor-icons/regular/style.css',
+		'./built/_frontend_dist_/phosphor-icons/thin/style.css',
+  ]) {
+    let source = await fs.readFile(file, { encoding: 'utf-8' });
+    source = source.replaceAll(/(url\(.+?Phosphor.+?\.(?:[a-zA-Z0-9]+))/g, `$1?version=${meta.version}`);
+    await fs.writeFile(file, source);
+  }
+
 }
 
 async function copyFrontendLocales() {