diff --git a/src/sbt-test/sbt-sourcegraph/basic/build.sbt b/src/sbt-test/sbt-sourcegraph/basic/build.sbt
index d847b2e..6d6db98 100644
--- a/src/sbt-test/sbt-sourcegraph/basic/build.sbt
+++ b/src/sbt-test/sbt-sourcegraph/basic/build.sbt
@@ -4,7 +4,7 @@ import java.nio.file.Files
 
 inThisBuild(
   List(
-    scalaVersion := "2.12.15",
+    scalaVersion := "3.8.1",
     organization := "com.example"
   )
 )
diff --git a/src/sbt-test/sbt-sourcegraph/scala-3/build.sbt b/src/sbt-test/sbt-sourcegraph/scala-3/build.sbt
index 20939fd..9e6b3a9 100644
--- a/src/sbt-test/sbt-sourcegraph/scala-3/build.sbt
+++ b/src/sbt-test/sbt-sourcegraph/scala-3/build.sbt
@@ -1 +1 @@
-scalaVersion := "3.3.0"
+scalaVersion := "3.8.1"