diff --git a/build.sbt b/build.sbt
index 6989b19a..50d416f6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ import java.io.FileWriter
 ThisBuild / organization := "uk.gov.nationalarchives"
 ThisBuild / organizationName := "National Archives"
 
-scalaVersion := "2.13.11"
+scalaVersion := "2.13.12"
 
 lazy val setLatestTagOutput = taskKey[Unit]("Sets a GitHub actions output for the latest tag")