diff --git a/frontend/package.json b/frontend/package.json
index 8a863dc..a009045 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -53,6 +53,12 @@
     "vitest": "^4.0.18",
     "vue-tsc": "^3.2.5"
   },
+  "browserslist": [
+    ">= 0.5%",
+    "last 2 versions",
+    "Firefox ESR",
+    "not dead"
+  ],
   "engines": {
     "node": "^20.19.0 || >=22.12.0"
   }