diff --git a/build.sbt b/build.sbt
index 844ae5342a..9c0ce4516c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -170,7 +170,7 @@ lazy val `waves-node` = (project in file("."))
 
 inScope(Global)(
   Seq(
-    scalaVersion         := "3.8.4",
+    scalaVersion         := "3.9.0",
     organization         := "com.wavesplatform",
     organizationName     := "Waves Platform",
     organizationHomepage := Some(url("https://wavesplatform.com")),