diff --git a/frontend/fic/package.json b/frontend/fic/package.json
index c83a605a..7cec11c3 100644
--- a/frontend/fic/package.json
+++ b/frontend/fic/package.json
@@ -11,7 +11,7 @@
   "devDependencies": {
     "@sveltejs/adapter-static": "^3.0.0",
     "@sveltejs/kit": "^2.0.0",
-    "@sveltejs/vite-plugin-svelte": "^3.0.0",
+    "@sveltejs/vite-plugin-svelte": "^4.0.0",
     "@sveltestrap/sveltestrap": "^6.2.1",
     "eslint": "^9.0.0",
     "eslint-config-prettier": "^9.0.0",
diff --git a/qa/ui/package.json b/qa/ui/package.json
index 86928bce..a909e8eb 100644
--- a/qa/ui/package.json
+++ b/qa/ui/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@sveltejs/adapter-static": "^3.0.0",
     "@sveltejs/kit": "^2.0.0",
-    "@sveltejs/vite-plugin-svelte": "^3.0.0",
+    "@sveltejs/vite-plugin-svelte": "^4.0.0",
     "eslint": "^9.0.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-svelte": "^2.35.1",