diff --git a/build.sbt b/build.sbt
index 9f616ea..435dfe0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ name := "gu-who"
 
 version := "1.0-SNAPSHOT"
 
-scalaVersion := "2.11.12"
+scalaVersion := "2.13.13"
 
 updateOptions := updateOptions.value.withCachedResolution(true)