diff --git a/.travis.yml b/.travis.yml
index f22d7f8..3de6218 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: scala
 scala:
-  - 2.13.4
+  - 2.13.5
   - 2.12.12
 jdk:
   - openjdk11
diff --git a/build.sbt b/build.sbt
index d8a4357..fdf3a33 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ description := "Sangria json4s-jackson marshalling"
 homepage := Some(url("http://sangria-graphql.org"))
 licenses := Seq("Apache License, ASL Version 2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0"))
 
-scalaVersion := "2.13.4"
+scalaVersion := "2.13.5"
 crossScalaVersions := Seq("2.12.12", scalaVersion.value)
 
 scalacOptions ++= Seq("-deprecation", "-feature")