diff --git a/build.sbt b/build.sbt
index 92e6734f..ec2cd600 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,7 +7,7 @@ addCommandAlias("ci-publish", "github; ci-release")
 
 lazy val scala212         = "2.12.19"
 lazy val scala213         = "2.13.14"
-lazy val scala3Version    = "3.4.2"
+lazy val scala3Version    = "3.4.3"
 lazy val scala2Versions   = Seq(scala212, scala213)
 lazy val allScalaVersions = scala2Versions :+ scala3Version