diff --git a/build.sbt b/build.sbt
index df8e9324..c5470aa9 100644
--- a/build.sbt
+++ b/build.sbt
@@ -69,7 +69,7 @@ val coreDeps = Seq(
 )).map(_ % Test)
 
 val scala213 = "2.13.12"
-ThisBuild / crossScalaVersions := Seq("2.12.19", scala213, "3.3.4")
+ThisBuild / crossScalaVersions := Seq("2.12.20", scala213, "3.3.4")
 ThisBuild / scalaVersion := scala213
 ThisBuild / tlBaseVersion := "0.9"
 ThisBuild / startYear := Some(2019)