diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index bf9e7f6f..c7ad9ec9 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -28,7 +28,7 @@
 				"globals": "^17.4.0",
 				"jsdom": "^29.1.1",
 				"prettier": "^3.7.4",
-				"prettier-plugin-svelte": "^3.5.0",
+				"prettier-plugin-svelte": "^4.0.1",
 				"stylelint": "^16.26.1",
 				"stylelint-config-html": "^1.1.0",
 				"stylelint-config-standard": "^39.0.1",
@@ -4189,14 +4189,17 @@
 			}
 		},
 		"node_modules/prettier-plugin-svelte": {
-			"version": "3.5.1",
-			"resolved": "https://registry.npmjs.org/prettier-plugin-svelte/-/prettier-plugin-svelte-3.5.1.tgz",
-			"integrity": "sha512-65+fr5+cgIKWKiqM1Doum4uX6bY8iFCdztvvp2RcF+AJoieaw9kJOFMNcJo/bkmKYsxFaM9OsVZK/gWauG/5mg==",
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/prettier-plugin-svelte/-/prettier-plugin-svelte-4.0.1.tgz",
+			"integrity": "sha512-oDVmtKi+M8bJeUoMfPvulUqZYcuXrs5AmhhLYPKtBeg6hcpMdx7UYYisVCqEaLQuKtiPSYFpotfwp4cZK3D4xw==",
 			"dev": true,
 			"license": "MIT",
+			"engines": {
+				"node": ">=20"
+			},
 			"peerDependencies": {
 				"prettier": "^3.0.0",
-				"svelte": "^3.2.0 || ^4.0.0-next.0 || ^5.0.0-next.0"
+				"svelte": "^5.0.0"
 			}
 		},
 		"node_modules/punycode": {
diff --git a/frontend/package.json b/frontend/package.json
index 72a90a5c..fdc5c4e7 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -28,7 +28,7 @@
 		"globals": "^17.4.0",
 		"jsdom": "^29.1.1",
 		"prettier": "^3.7.4",
-		"prettier-plugin-svelte": "^3.5.0",
+		"prettier-plugin-svelte": "^4.0.1",
 		"stylelint": "^16.26.1",
 		"stylelint-config-html": "^1.1.0",
 		"stylelint-config-standard": "^39.0.1",