diff --git a/kirc-suspending/build.gradle.kts b/kirc-suspending/build.gradle.kts
index d465f2b..2f4304b 100644
--- a/kirc-suspending/build.gradle.kts
+++ b/kirc-suspending/build.gradle.kts
@@ -56,7 +56,7 @@ dependencies {
     testImplementation(tests.bundles.kotest)
 
     // logback logger for tests
-    testImplementation("ch.qos.logback:logback-classic:1.5.22")
+    testImplementation("ch.qos.logback:logback-classic:1.6.4")
 
     // resource injection
     testImplementation("io.hosuaby:inject-resources-junit-jupiter:0.3.5")