diff --git a/mock-sveltekit/package.json b/mock-sveltekit/package.json
index 6a7c5881..dea836f8 100644
--- a/mock-sveltekit/package.json
+++ b/mock-sveltekit/package.json
@@ -26,7 +26,7 @@
 		"@sveltejs/vite-plugin-svelte": "7.0.0",
 		"dotenv": "17.2.3",
 		"prettier": "3.8.1",
-		"prettier-plugin-svelte": "3.5.1",
+		"prettier-plugin-svelte": "4.1.0",
 		"sass": "1.93.2",
 		"sass-embedded": "1.97.3",
 		"svelte": "5.55.7",
diff --git a/package-lock.json b/package-lock.json
index 51e60c68..436e36ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -42,7 +42,7 @@
 				"@sveltejs/vite-plugin-svelte": "6.2.4",
 				"@types/geojson": "7946.0.16",
 				"@versatiles/style": "5.7.0",
-				"@vitest/browser": "^4.1.7",
+				"@vitest/browser": "4.1.7",
 				"@vitest/browser-playwright": "4.0.18",
 				"@vitest/coverage-v8": "4.0.18",
 				"@vueless/storybook-dark-mode": "9.0.8",
@@ -58,11 +58,11 @@
 				"semantic-release": "25.0.3",
 				"storybook": "10.4.2",
 				"svelte": "5.55.7",
-				"svelte-check": "^4.5.0",
+				"svelte-check": "4.5.0",
 				"svelte-preprocess": "6.0.3",
 				"typescript": "5.9.3",
 				"vite": "8.0.5",
-				"vitest": "^4.1.1",
+				"vitest": "4.1.1",
 				"wait-on": "8.0.3"
 			},
 			"peerDependencies": {
@@ -553,13 +553,13 @@
 				"@types/node": "^25.5.2",
 				"dotenv": "17.2.3",
 				"prettier": "3.8.1",
-				"prettier-plugin-svelte": "3.5.1",
+				"prettier-plugin-svelte": "^4.1.0",
 				"sass": "1.93.2",
 				"sass-embedded": "1.97.3",
 				"svelte": "5.55.7",
 				"svelte-preprocess": "6.0.3",
 				"vite": "8.0.5",
-				"vitest": "^4.1.1"
+				"vitest": "4.1.1"
 			}
 		},
 		"mock-sveltekit/node_modules/@maplibre/geojson-vt": {
@@ -21744,14 +21744,17 @@
 			}
 		},
 		"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": "4.1.0",
+			"resolved": "https://registry.npmjs.org/prettier-plugin-svelte/-/prettier-plugin-svelte-4.1.0.tgz",
+			"integrity": "sha512-YZkhA2Q9oOerFFG9tq+2f98WYT7Z2JgrybJrAyrB78jpsH9i/DdgplXemehuFPgsldetFNCcR/yCcYlDjPy94Q==",
 			"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/pretty-format": {
@@ -26751,7 +26754,7 @@
 				"eslint-plugin-svelte": "^3.14.0",
 				"globals": "^17.1.0",
 				"prettier": "^3.8.1",
-				"prettier-plugin-svelte": "^3.4.1",
+				"prettier-plugin-svelte": "^4.1.0",
 				"svelte": "^5.55.7",
 				"svelte-check": "^4.5.0",
 				"typescript": "^5.9.3",
diff --git a/sophora-components/package.json b/sophora-components/package.json
index f407a675..426bcb2f 100644
--- a/sophora-components/package.json
+++ b/sophora-components/package.json
@@ -24,7 +24,7 @@
 		"eslint-plugin-svelte": "^3.14.0",
 		"globals": "^17.1.0",
 		"prettier": "^3.8.1",
-		"prettier-plugin-svelte": "^3.4.1",
+		"prettier-plugin-svelte": "^4.1.0",
 		"svelte": "^5.55.7",
 		"svelte-check": "^4.5.0",
 		"typescript": "^5.9.3",