diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e535d9d..6a26e42 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -18,7 +18,7 @@ modelixCore = "9.1.0"
 mpsModelServerSyncPlugin = "2021.2.157"
 
 # backend 1 / SPA
-ktor = "2.3.12"
+ktor = "3.0.0"
 
 # backend 2
 # When increasing the version of quarkus,