diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 5b1e0de..e18b01f 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -39,7 +39,7 @@ dependencies {
     implementation("io.ktor:ktor-client-core:2.3.8")
     implementation("io.ktor:ktor-client-cio:2.3.8")
     implementation("io.ktor:ktor-server-html-builder:2.3.8")
-    implementation("ch.qos.logback:logback-classic:1.5.1")
+    implementation("ch.qos.logback:logback-classic:1.5.6")
 
     // Use the Kotlin test library.
     testImplementation("org.jetbrains.kotlin:kotlin-test")