diff --git a/build.sbt b/build.sbt
index ee2a1ebdc5..9d95ffa3a2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ organization := "org.scorexfoundation"
 
 name := "sigma-state"
 
-lazy val scala213 = "2.13.8"
+lazy val scala213 = "2.13.9"
 lazy val scala212 = "2.12.15"
 lazy val scala211 = "2.11.12"