diff --git a/build.sbt b/build.sbt
index ab3f8e4..4c80def 100644
--- a/build.sbt
+++ b/build.sbt
@@ -29,7 +29,7 @@ inThisBuild(
       ),
     ),
     scalaVersion       := "2.13.14",
-    crossScalaVersions := Seq("2.13.14", "2.12.19"),
+    crossScalaVersions := Seq("2.13.14", "2.12.20"),
     scalacOptions ++= Seq(
       "-unchecked",
       "-deprecation",