diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 55a52a6..d92b843 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -12,4 +12,4 @@ gradle-nexus-publish = { module = "io.github.gradle-nexus:publish-plugin", versi
 jetbrains-annotations = { module = "org.jetbrains:annotations", version = "24.1.0" }
 # test dependencies
 spock-core = { module = "org.spockframework:spock-core", version = "2.3-groovy-4.0" }
-logback-classic = { module = "ch.qos.logback:logback-classic", version = "1.5.5" }
+logback-classic = { module = "ch.qos.logback:logback-classic", version = "1.5.6" }