From eeebcc41bfdf4eab02c1779a2a7463791dfd191e Mon Sep 17 00:00:00 2001
From: Damian Reeves <957246+DamianReeves@users.noreply.github.com>
Date: Sat, 23 Oct 2021 10:33:36 -0400
Subject: [PATCH] Support Scala 3.1 in sandwich scenario

---
 src/main/scala/sbt/VirtualAxis.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/scala/sbt/VirtualAxis.scala b/src/main/scala/sbt/VirtualAxis.scala
index 1f38d2cf5..1ab9b75b8 100644
--- a/src/main/scala/sbt/VirtualAxis.scala
+++ b/src/main/scala/sbt/VirtualAxis.scala
@@ -65,7 +65,7 @@ object VirtualAxis {
 
   private[sbt] def isScala2Scala3Sandwich(sbv1: String, sbv2: String): Boolean = {
     def compare(a: String, b: String): Boolean =
-      a == "2.13" && (b.startsWith("0.") || b.startsWith("3.0"))
+      a == "2.13" && (b.startsWith("0.") || b.startsWith("3.0") || b.startsWith("3.1"))
     compare(sbv1, sbv2) || compare(sbv2, sbv1)
   }