diff --git a/.travis.yml b/.travis.yml
index 965f2b2..bb33cd7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: scala
 scala:
-  - 2.12.1
-  - 2.11.8
+  - 2.12.2
+  - 2.11.11
 jdk:
   - oraclejdk8
 
diff --git a/build.sbt b/build.sbt
index 59b27a2..afc83a0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,8 +6,8 @@ description := "Sangria circe 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 := "2.12.1"
-crossScalaVersions := Seq("2.11.8", "2.12.1")
+scalaVersion := "2.12.2"
+crossScalaVersions := Seq("2.11.11", "2.12.2")
 
 scalacOptions ++= Seq("-deprecation", "-feature")
 
@@ -18,7 +18,7 @@ scalacOptions ++= {
     Seq("-target:jvm-1.7")
 }
 
-val circeVersion = "0.7.0"
+val circeVersion = "0.8.0"
 
 libraryDependencies ++= Seq(
   "org.sangria-graphql" %% "sangria-marshalling-api" % "1.0.0",
@@ -27,7 +27,7 @@ libraryDependencies ++= Seq(
   "io.circe" %% "circe-generic" % circeVersion % Test,
 
   "org.sangria-graphql" %% "sangria-marshalling-testkit" % "1.0.0" % Test,
-  "org.scalatest" %% "scalatest" % "3.0.1" % Test
+  "org.scalatest" %% "scalatest" % "3.0.3" % Test
 )
 
 git.remoteRepo := "git@github.com:sangria-graphql/sangria-circe.git"
diff --git a/project/build.properties b/project/build.properties
index 27e88aa..64317fd 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.13
+sbt.version=0.13.15