diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 03f124062..7dc3901fa 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -48,7 +48,7 @@ dagger = "2.57.2"              # https://dagger.dev
 
 # --- Logging ---
 slf4j = "2.0.17"              # https://www.slf4j.org TODO remove
-logback = "1.5.20"           # https://logback.qos.ch
+logback = "1.5.21"           # https://logback.qos.ch
 
 # --- Concurrency ---
 rxjava = "3.1.12"            # https://github.com/ReactiveX/RxJava