diff --git a/build.sbt b/build.sbt
index 27799ad..f3ee5d7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -18,7 +18,7 @@ libraryDependencies += Defaults.sbtPluginExtra(
   (scalaBinaryVersion in update).value
 )
 
-crossSbtVersions := Seq("1.2.7", "0.13.18")
+crossSbtVersions := Seq("1.3.8", "0.13.18")
 
 scalacOptions ++= Seq(
   "-deprecation",
diff --git a/project/build.properties b/project/build.properties
index 72f9028..a919a9b 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.2.7
+sbt.version=1.3.8