diff --git a/build.sbt b/build.sbt
index 34de5b0..2235bf5 100644
--- a/build.sbt
+++ b/build.sbt
@@ -36,7 +36,7 @@ inThisBuild(List(
   publishArtifact in Test := false,
   parallelExecution := false,
 
-  crossScalaVersions := List("2.12.16", "2.13.8")
+  crossScalaVersions := List("2.12.20", "2.13.8")
 ))