diff --git a/build.sbt b/build.sbt
index 3824ab4eb6..f63f48c9ce 100644
--- a/build.sbt
+++ b/build.sbt
@@ -221,7 +221,7 @@ val scala212 = "2.12.18"
 val scalaDefault = scala213
 
 // compiler settings
-ThisBuild / tlJdkRelease := Some(8)
+ThisBuild / tlJdkRelease := Some(11)
 ThisBuild / tlFatalWarnings := false
 ThisBuild / scalaVersion := scalaDefault
 ThisBuild / crossScalaVersions := Seq(scalaDefault, scala212)