diff --git a/adl-server/build.gradle.kts b/adl-server/build.gradle.kts
index cb1f65e..2f33176 100644
--- a/adl-server/build.gradle.kts
+++ b/adl-server/build.gradle.kts
@@ -146,7 +146,7 @@ dependencies {
     implementation("org.bouncycastle:bctls-jdk18on:1.78.1")
     implementation("org.bouncycastle:bcpkix-jdk18on:1.78.1")
     implementation("org.bouncycastle:bcprov-jdk18on:1.78.1")
-    implementation("io.ktor:ktor-server-sse:3.3.3")
+    implementation("io.ktor:ktor-server-sse:3.4.1")
 
     // Database (PostgreSQL + Exposed + Flyway)
     implementation(libs.exposed.core)
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2b7a9d9..964bccb 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ kotlinx-serialization-version = "1.9.0"
 slf4j-version = "2.0.17"
 spring-boot-version = "3.5.0"
 ktor-version = "3.4.0"
-ktor-server-version = "3.4.0"
+ktor-server-version = "3.4.1"
 lettuce-version = "6.7.1.RELEASE"
 jackson-version = "2.19.2"
 resilience4j-version = "2.3.0"