diff --git a/build.sbt b/build.sbt
index 8ba5cae..c80d7f4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -250,7 +250,7 @@ lazy val vertx = (projectMatrix in file("vertx"))
   .jvmPlatform(
     scalaVersions = List(scala2_12, scala2_13) ++ scala3,
     settings = commonJvmSettings ++ Seq(
-      libraryDependencies += "io.vertx" % "vertx-core" % "4.5.8"
+      libraryDependencies += "io.vertx" % "vertx-core" % "4.5.9"
     )
   )
   .dependsOn(core)