diff --git a/build.sbt b/build.sbt
index efa22b7..9a1285d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ ThisBuild / name := "zio-slack"
 ThisBuild / organization := "com.github.dapperware"
 
 val mainScala = "2.12.17"
-val allScala  = Seq("2.13.12", mainScala, "3.2.2")
+val allScala  = Seq("2.13.12", mainScala, "3.4.1")
 
 inThisBuild(
   List(