diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7538607..59b8b42 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -10,7 +10,7 @@ junit = '6.0.1'
 assertj = '4.0.0-M1'
 
 slf4j = '2.1.0-alpha1'
-logback = '1.5.20'
+logback = '1.5.21'
 
 [plugins]
 sonarqube = { id = 'org.sonarqube', version.ref = 'sonarqube' }