diff --git a/build.sc b/build.sc
index b39e648d4..b105286ff 100644
--- a/build.sc
+++ b/build.sc
@@ -17,7 +17,7 @@ import com.github.lolgab.mill.mima._
 val scala212  = "2.12.18"
 val scala213  = "2.13.11"
 
-val scala3   = "3.4.2"
+val scala3   = "3.3.4-RC1"
 val scalaNative = "0.5.0"
 val acyclic = "0.3.12"