diff --git a/packages/backend/package.json b/packages/backend/package.json
index c1ac4649d8..2aa10b1c96 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -109,6 +109,7 @@
 		"file-type": "18.7.0",
 		"fluent-ffmpeg": "2.1.2",
 		"form-data": "4.0.0",
+		"glob": "10.3.10",
 		"got": "14.0.0",
 		"happy-dom": "10.0.3",
 		"hpagent": "1.2.0",
diff --git a/packages/backend/src/config.ts b/packages/backend/src/config.ts
index 4a4d7e8311..24a0296aa9 100644
--- a/packages/backend/src/config.ts
+++ b/packages/backend/src/config.ts
@@ -8,6 +8,7 @@ import { fileURLToPath } from 'node:url';
 import { dirname, resolve } from 'node:path';
 import * as yaml from 'js-yaml';
 import type { RedisOptions } from 'ioredis';
+import { globSync } from 'glob';
 
 type RedisOptionsSource = Partial<RedisOptions> & {
 	host: string;
@@ -193,11 +194,18 @@ const path = process.env.MISSKEY_CONFIG_YML
 
 export function loadConfig(): Config {
 	const meta = JSON.parse(fs.readFileSync(`${_dirname}/../../../built/meta.json`, 'utf-8'));
-	const clientManifestExists = fs.existsSync(_dirname + '/../../../built/_vite_/manifest.json');
+	const clientManifestExists = fs.existsSync(`${_dirname}/../../../built/_vite_/manifest.json`);
 	const clientManifest = clientManifestExists ?
 		JSON.parse(fs.readFileSync(`${_dirname}/../../../built/_vite_/manifest.json`, 'utf-8'))
 		: { 'src/_boot_.ts': { file: 'src/_boot_.ts' } };
-	const config = yaml.load(fs.readFileSync(path, 'utf-8')) as Source;
+
+	const config = globSync(path)
+		.map(path => fs.readFileSync(path, 'utf-8'))
+		.map(contents => yaml.load(contents) as Source)
+		.reduce(
+			(acc: Source, cur: Source) => Object.assign(acc, cur),
+			{} as Source,
+		) as Source;
 
 	const url = tryCreateUrl(config.url);
 	const version = meta.version;
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fac96a0e62..badbc43294 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -208,6 +208,9 @@ importers:
       form-data:
         specifier: 4.0.0
         version: 4.0.0
+      glob:
+        specifier: 10.3.10
+        version: 10.3.10
       got:
         specifier: 14.0.0
         version: 14.0.0
@@ -7976,6 +7979,7 @@ packages:
 
   /@types/node@20.10.5:
     resolution: {integrity: sha512-nNPsNE65wjMxEKI93yOP+NPGGBJz/PoN3kZsVLee0XMiJolxSekEVD8wRwBUBqkwc7UWop0edW50yrCQW4CyRw==}
+    requiresBuild: true
     dependencies:
       undici-types: 5.26.5
 
@@ -12732,7 +12736,7 @@ packages:
       fs.realpath: 1.0.0
       inflight: 1.0.6
       inherits: 2.0.4
-      minimatch: 5.1.2
+      minimatch: 5.1.6
       once: 1.4.0
 
   /global-dirs@3.0.1:
@@ -15000,12 +15004,6 @@ packages:
     dependencies:
       brace-expansion: 1.1.11
 
-  /minimatch@5.1.2:
-    resolution: {integrity: sha512-bNH9mmM9qsJ2X4r2Nat1B//1dJVcn3+iBLa3IgqJ7EbGaDNepL9QSHOxN4ng33s52VMMhhIfgCYDk3C4ZmlDAg==}
-    engines: {node: '>=10'}
-    dependencies:
-      brace-expansion: 2.0.1
-
   /minimatch@5.1.6:
     resolution: {integrity: sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==}
     engines: {node: '>=10'}
@@ -17244,7 +17242,7 @@ packages:
   /readdir-glob@1.1.2:
     resolution: {integrity: sha512-6RLVvwJtVwEDfPdn6X6Ille4/lxGl0ATOY4FN/B9nxQcgOazvvI0nodiD19ScKq0PvA/29VpaOQML36o5IzZWA==}
     dependencies:
-      minimatch: 5.1.2
+      minimatch: 5.1.6
     dev: false
 
   /readdirp@3.6.0:
@@ -19197,6 +19195,7 @@ packages:
 
   /undici-types@5.26.5:
     resolution: {integrity: sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==}
+    requiresBuild: true
 
   /undici@5.22.1:
     resolution: {integrity: sha512-Ji2IJhFXZY0x/0tVBXeQwgPlLWw13GVzpsWPQ3rV50IFMMof2I55PZZxtm4P6iNq+L5znYN9nSTAq0ZyE6lSJw==}