diff --git a/build.gradle b/build.gradle
index d79eeb4..c11a3c1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -63,8 +63,8 @@ allprojects {
         implementation("org.jetbrains.kotlin:kotlin-reflect:$kotlin_version")
         implementation("org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.10.2")
         implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
-        testRuntimeOnly("ch.qos.logback:logback-classic:1.5.18")
-        testRuntimeOnly("ch.qos.logback:logback-core:1.5.18")
+        testRuntimeOnly("ch.qos.logback:logback-classic:1.5.21")
+        testRuntimeOnly("ch.qos.logback:logback-core:1.5.21")
         implementation("org.slf4j:slf4j-api:2.0.17")
     }
 }