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")
 
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 0f0905b3..b575612d 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -2,7 +2,7 @@ import sbt._
 
 object Dependencies {
   lazy val scalaTest = "org.scalatest" %% "scalatest" % "3.2.17"
-  lazy val sangria = "org.sangria-graphql" %% "sangria" % "4.0.1"
+  lazy val sangria = "org.sangria-graphql" %% "sangria" % "4.0.2"
   lazy val circeCore = "io.circe" %% "circe-core" % "0.14.6"
   lazy val circeGeneric = "io.circe" %% "circe-generic" % "0.14.6"
 }