diff --git a/build.gradle.kts b/build.gradle.kts
index 07c9e569e..bd33e2058 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -44,7 +44,7 @@ dependencies {
     ////////////////////
     api("io.ktor:ktor-server-jetty:2.3.7")
     api("io.ktor:ktor-server-websockets:2.3.0")
-    api("io.ktor:ktor-server-default-headers:2.3.7")
+    api("io.ktor:ktor-server-default-headers:2.3.9")
     api("io.ktor:ktor-server-compression:2.3.9")
     api("io.ktor:ktor-server-caching-headers:2.3.9")
     api("io.ktor:ktor-network-tls-certificates:2.3.9")