diff --git a/build.sbt b/build.sbt
index 2f3226ee..22ee40db 100644
--- a/build.sbt
+++ b/build.sbt
@@ -23,7 +23,7 @@ developers := List(
 )
 
 scalaVersion := "2.13.5"
-crossScalaVersions := Seq("2.11.12", "2.12.11", "2.12.12", "2.12.13", "2.13.3", "2.13.4", "2.13.5")
+crossScalaVersions := Seq("2.11.12", "2.12.11", "2.12.12", "2.13.6", "2.13.3", "2.13.4", "2.13.5")
 autoScalaLibrary := false
 crossVersion := CrossVersion.full
 crossTarget := {