diff --git a/standalone/bun.lock b/standalone/bun.lock
index e28b457..0abdb69 100644
--- a/standalone/bun.lock
+++ b/standalone/bun.lock
@@ -4,7 +4,7 @@
     "": {
       "name": "cap-standalone",
       "dependencies": {
-        "@cap.js/server": "2.0.0",
+        "@cap.js/server": "^4.0.3",
         "@elysiajs/cors": "^1.4.0",
         "@elysiajs/static": "^1.4.4",
         "@elysiajs/swagger": "^1.3.1",
@@ -19,7 +19,7 @@
   "packages": {
     "@alloc/quick-lru": ["@alloc/quick-lru@5.2.0", "", {}, "sha512-UrcABB+4bUrFABwbluTIBErXwvbsU/V7TZWfmbgJfbkwiBuziS9gxdODUyuiecfdGQ85jglMW6juS3+z5TsKLw=="],
 
-    "@cap.js/server": ["@cap.js/server@2.0.0", "", { "dependencies": { "@types/node": "^22.14.1", "typescript": "^5.8.3" } }, "sha512-CaETNf+u/+vgkzQJu3Fq3UWrd8egUFYBFLYo5Rf5j2muIVY1syqUJbwvwxLbgE5mlMmND/RUo15D/G0iKCOIYA=="],
+    "@cap.js/server": ["@cap.js/server@4.0.3", "", { "dependencies": { "@types/node": "^22.14.1", "typescript": "^5.8.3" } }, "sha512-CWZgqOoceBJU40KB2nu9XqGebU40nnZwjfQ0phY7F9mcghSImTDhQVonvhk52JDyRaCbzVTp6Bpb6G9DB+B1KA=="],
 
     "@elysiajs/cors": ["@elysiajs/cors@1.4.0", "", { "peerDependencies": { "elysia": ">= 1.4.0" } }, "sha512-pb0SCzBfFbFSYA/U40HHO7R+YrcXBJXOWgL20eSViK33ol1e20ru2/KUaZYo5IMUn63yaTJI/bQERuQ+77ND8g=="],
 
@@ -93,7 +93,7 @@
 
     "zod": ["zod@3.25.67", "", {}, "sha512-idA2YXwpCdqUSKRCACDE6ItZD9TZzy3OZMtpfLoh6oPR47lipysRrJfjzMqFxQ3uJuUPyUeWe1r9vLH33xO/Qw=="],
 
-    "@cap.js/server/@types/node": ["@types/node@22.16.0", "", { "dependencies": { "undici-types": "~6.21.0" } }, "sha512-B2egV9wALML1JCpv3VQoQ+yesQKAmNMBIAY7OteVrikcOcAkWm+dGL6qpeCktPjAv6N1JLnhbNiqS35UpFyBsQ=="],
+    "@cap.js/server/@types/node": ["@types/node@22.18.11", "", { "dependencies": { "undici-types": "~6.21.0" } }, "sha512-Gd33J2XIrXurb+eT2ktze3rJAfAp9ZNjlBdh4SVgyrKEOADwCbdUDaK7QgJno8Ue4kcajscsKqu6n8OBG3hhCQ=="],
 
     "@scalar/themes/@scalar/types": ["@scalar/types@0.1.7", "", { "dependencies": { "@scalar/openapi-types": "0.2.0", "@unhead/schema": "^1.11.11", "nanoid": "^5.1.5", "type-fest": "^4.20.0", "zod": "^3.23.8" } }, "sha512-irIDYzTQG2KLvFbuTI8k2Pz/R4JR+zUUSykVTbEMatkzMmVFnn1VzNSMlODbadycwZunbnL2tA27AXed9URVjw=="],
 
diff --git a/standalone/package.json b/standalone/package.json
index 67e63e3..f8568c3 100644
--- a/standalone/package.json
+++ b/standalone/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cap-standalone",
-  "version": "2.0.11",
+  "version": "2.0.12",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "dev": "bun run --watch src/index.js",
@@ -45,7 +45,7 @@
     "turing-test"
   ],
   "dependencies": {
-    "@cap.js/server": "2.0.0",
+    "@cap.js/server": "^4.0.3",
     "@elysiajs/cors": "^1.4.0",
     "@elysiajs/static": "^1.4.4",
     "@elysiajs/swagger": "^1.3.1",
diff --git a/standalone/src/cap.js b/standalone/src/cap.js
index a68b893..cbcbf12 100644
--- a/standalone/src/cap.js
+++ b/standalone/src/cap.js
@@ -74,7 +74,7 @@ export const capServer = new Elysia({
 
 		const keyConfig = JSON.parse(_keyConfig.config);
 
-		const challenge = cap.createChallenge({
+		const challenge = await cap.createChallenge({
 			challengeCount: keyConfig.challengeCount,
 			challengeSize: keyConfig.saltSize,
 			challengeDifficulty: keyConfig.difficulty,