diff --git a/build.sbt b/build.sbt
index 02c434e..79f8e09 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ lazy val scalacheckVersion = "1.15.4"
 
 lazy val scala212 = "2.12.16"
 lazy val scala213 = "2.13.6"
-lazy val scala30  = "3.0.2"
+lazy val scala30  = "3.4.1"
 
 lazy val commonSettings = Seq(
   organization := "org.tpolecat",