diff --git a/build.sbt b/build.sbt
index b5545b2..e5dbe1b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@ val isScala3 = Def.setting(
 
 scalaVersion := Scala212
 
-crossScalaVersions := Seq(Scala212, "2.13.14", "3.4.2")
+crossScalaVersions := Seq(Scala212, "2.13.14", "3.4.3")
 
 libraryDependencies ++= Seq(
   "org.scalatest" %% "scalatest-funspec" % "3.2.19" % "test",