diff --git a/backend/gradle.properties b/backend/gradle.properties
index 020c737..18193bc 100644
--- a/backend/gradle.properties
+++ b/backend/gradle.properties
@@ -2,5 +2,5 @@ kotlin.code.style=official
 exposed_version=0.61.0
 h2_version=2.3.232
 kotlin_version=2.1.10
-ktor_version=3.1.3
-logback_version=1.5.13
+ktor_version=3.4.2
+logback_version=1.5.32
diff --git a/backend/src/main/kotlin/plugins/Security.kt b/backend/src/main/kotlin/plugins/Security.kt
index 50e5148..ea37f02 100644
--- a/backend/src/main/kotlin/plugins/Security.kt
+++ b/backend/src/main/kotlin/plugins/Security.kt
@@ -7,7 +7,7 @@ import io.ktor.server.auth.*
 fun Application.configureSecurity(dotenv: Dotenv) {
     val apiKey = dotenv["API_KEY"] ?: throw Exception("API_KEY not found")
 
-    authentication {
+    install(Authentication) {
         bearer {
             realm = "/"
             authenticate { credential ->