diff --git a/build.gradle b/build.gradle
index 7b5dc08..57d08ae 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ configure(srcProjects()) {
   }
 
   ext {
-    logbackVersion = '1.5.19'
+    logbackVersion = '1.5.20'
     slf4jVersion = '2.0.17'
     jacksonVersion = '2.17.3'
   }