diff --git a/packages/config/package.json b/packages/config/package.json
index 29fb27a..2488d53 100644
--- a/packages/config/package.json
+++ b/packages/config/package.json
@@ -27,6 +27,7 @@
     "@mosaic/storage": "workspace:^"
   },
   "devDependencies": {
+    "eslint": "^9.0.0",
     "typescript": "^5.8.0",
     "vitest": "^2.0.0"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a057520..faa70cc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -369,6 +369,9 @@ importers:
         specifier: workspace:^
         version: link:../storage
     devDependencies:
+      eslint:
+        specifier: ^9.0.0
+        version: 9.39.4(jiti@2.6.1)
       typescript:
         specifier: ^5.8.0
         version: 5.9.3