diff --git a/build.gradle b/build.gradle
index 8b6dee0262..eb4b568f42 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ ext {
     openSamlVersion = "5.2.1"
     commonmarkVersion = "0.28.0"
     googleJavaFormatVersion = "1.35.0"
-    logback = "1.6.1"
+    logback = "1.6.3"
     commonsIoVersion = "2.22.0"
     commonsLang3 = "3.20.0"
     rhinoVersion = "1.9.1"