diff --git a/build.gradle b/build.gradle
index d0e3b1bc..ef0484fe 100644
--- a/build.gradle
+++ b/build.gradle
@@ -281,7 +281,7 @@ dependencyManagement {
       entry 'spring-security-test'
     }
 
-    dependencySet(group: 'ch.qos.logback', version: '1.5.18') {
+    dependencySet(group: 'ch.qos.logback', version: '1.5.20') {
       entry 'logback-classic'
       entry 'logback-core'
     }