diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 89aab58e..d142b40a 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -34,7 +34,7 @@ spring-data = { module ="org.springframework.data:spring-data-commons", version.
 checker = "org.checkerframework:checker:3.52.0"
 jimfs = "com.google.jimfs:jimfs:1.3.1"
 slf4j = "org.slf4j:slf4j-api:2.0.17"
-logback = "ch.qos.logback:logback-classic:1.5.20"
+logback = "ch.qos.logback:logback-classic:1.5.21"
 
 kotest-bom = "io.kotest:kotest-bom:6.0.4"
 kotest-runner = { module = "io.kotest:kotest-runner-junit5" }