diff --git a/build.sbt b/build.sbt
index d96fc610..3d0c05e1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -29,7 +29,7 @@ lazy val libs =
     .addJVM(name = "henkan-convert",        version = "0.6.5",  org ="com.kailuowang")
     .addJVM(name = "log4cats",              version = "2.3.2",  org = org.typelevel.typeLevelOrg, "log4cats-slf4j", "log4cats-core")
     .addJava(name ="log4j-core",            version = "2.22.0", org = "org.apache.logging.log4j")
-    .addJava(name ="logback-classic",       version = "1.4.11",  org = "ch.qos.logback")
+    .addJava(name ="logback-classic",       version = "1.4.13",  org = "ch.qos.logback")
     .addJVM(name = "mau",                   version = "0.3.1",  org = "com.kailuowang")
     .addJVM(name = "newtype",               version = "0.4.4",  org = "io.estatico")
     .add(   name = "play-json",             version = "2.9.4",  org = "com.typesafe.play")