diff --git a/build.sbt b/build.sbt
index 5fe9eb9..e5da0f4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -53,7 +53,7 @@ lazy val examples = (project in file("examples"))
     libraryDependencies ++= Seq(
       "com.softwaremill.sttp.client4" %% "core" % "4.0.13",
       "com.softwaremill.sttp.tapir" %% "tapir-netty-server-sync" % tapirV,
-      "ch.qos.logback" % "logback-classic" % "1.5.20"
+      "ch.qos.logback" % "logback-classic" % "1.5.21"
     )
   )
   .dependsOn(core)