diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 10569ca8..023052a7 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,7 +2,7 @@
 # libraries
 junit = "4.13.2"
 doma = "3.2.0"
-logback = "1.5.20"
+logback = "1.5.21"
 pluginVerifier = "1.398"
 
 # plugins