diff --git a/index.html b/index.html
index f7261fb60..4e41d029c 100644
--- a/index.html
+++ b/index.html
@@ -6,7 +6,7 @@
     <meta name="mobile-web-app-capable" content="yes">
     <meta name="apple-mobile-web-app-capable" content="yes">
     <meta http-equiv="content-security-policy" content="<%- csp %>">
-    <link href="/manifest.json" rel="manifest">
+    <link href="/manifest.webmanifest" rel="manifest">
     <!--server-generated-meta-->
     <script type="module" src="./src/main.tsx"></script>
     <%- snippets %>
diff --git a/installation/docker.conf.template b/installation/docker.conf.template
index 0938b756e..f8d6ee3cb 100644
--- a/installation/docker.conf.template
+++ b/installation/docker.conf.template
@@ -62,7 +62,7 @@ server {
 
   # Backend routes.
   # These are routes to the backend's API and important rendered pages.
-  location ~ ^/(api|oauth|auth|admin|pghero|sidekiq|manifest.json|media|nodeinfo|unsubscribe|.well-known/(webfinger|host-meta|nodeinfo|change-password)|@(.+)/embed$) {
+  location ~ ^/(api|oauth|auth|admin|pghero|sidekiq|manifest.webmanifest|media|nodeinfo|unsubscribe|.well-known/(webfinger|host-meta|nodeinfo|change-password)|@(.+)/embed$) {
     try_files /dev/null @backend;
   }
 
diff --git a/installation/mastodon.conf b/installation/mastodon.conf
index 906401763..5b001c179 100644
--- a/installation/mastodon.conf
+++ b/installation/mastodon.conf
@@ -83,7 +83,7 @@ server {
 
   # Mastodon backend routes.
   # These are routes to Mastodon's API and important rendered pages.
-  location ~ ^/(api|inbox|oauth|auth|admin|pghero|sidekiq|manifest.json|media|nodeinfo|unsubscribe|.well-known/(webfinger|host-meta|nodeinfo|change-password)|@(.+)/embed$) {
+  location ~ ^/(api|inbox|oauth|auth|admin|pghero|sidekiq|manifest.webmanifest|media|nodeinfo|unsubscribe|.well-known/(webfinger|host-meta|nodeinfo|change-password)|@(.+)/embed$) {
     try_files /dev/null @mastodon;
   }
 
diff --git a/vite.config.ts b/vite.config.ts
index 6005d076c..9e3d58410 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -66,7 +66,6 @@ export default defineConfig(({ command }) => ({
           compileTime(),
         ],
       },
-      manifestFilename: 'manifest.json',
       manifest: {
         name: 'Soapbox',
         short_name: 'Soapbox',