diff --git a/webapp/frontend/package-lock.json b/webapp/frontend/package-lock.json
index 981d02dfa..c5ec22b6c 100644
--- a/webapp/frontend/package-lock.json
+++ b/webapp/frontend/package-lock.json
@@ -38,7 +38,7 @@
 				"globals": "^16.5.0",
 				"mdsvex": "^0.12.8",
 				"prettier": "^3.9.7",
-				"prettier-plugin-svelte": "^3.4.0",
+				"prettier-plugin-svelte": "^4.1.1",
 				"prettier-plugin-tailwindcss": "^0.8.1",
 				"svelte": "^5.57.0",
 				"svelte-check": "^4.7.6",
@@ -3456,14 +3456,17 @@
 			}
 		},
 		"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": "4.1.1",
+			"resolved": "https://registry.npmjs.org/prettier-plugin-svelte/-/prettier-plugin-svelte-4.1.1.tgz",
+			"integrity": "sha512-wXvbXMjSvb4C9ENWTHXyd+ihakKCsJ6rJhLP6/8HFNj4GkZr48jqL9PoKsl2sk7SyCZRTnJ7O2TTowUpOxP/KA==",
 			"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/prettier-plugin-tailwindcss": {
diff --git a/webapp/frontend/package.json b/webapp/frontend/package.json
index d56ae9914..22f0a4ce8 100644
--- a/webapp/frontend/package.json
+++ b/webapp/frontend/package.json
@@ -49,7 +49,7 @@
 		"globals": "^16.5.0",
 		"mdsvex": "^0.12.8",
 		"prettier": "^3.9.7",
-		"prettier-plugin-svelte": "^3.4.0",
+		"prettier-plugin-svelte": "^4.1.1",
 		"prettier-plugin-tailwindcss": "^0.8.1",
 		"svelte": "^5.57.0",
 		"svelte-check": "^4.7.6",