diff --git a/build.sbt b/build.sbt
index fe8ec4b..4a1a04b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -25,13 +25,13 @@ libraryDependencies ++= Seq(
   "com.typesafe.slick" %% "slick" % "3.3.2",
   "org.typelevel" %% "cats-core" % catsVersion,
   "org.typelevel" %% "cats-laws" % catsVersion % Test,
+  "org.typelevel" %% "discipline-scalatest" % "1.0.0-RC1" % Test,
   "org.scalatest" %% "scalatest" % "3.0.8" % Test,
   "org.scalacheck" %% "scalacheck" % "1.14.2" % Test
 )
 
 enablePlugins(MdocPlugin)
 scalacOptions in mdoc --= Seq("-Ywarn-unused-import", "-Xlint")
-mdocOut := baseDirectory.value
 
 licenses += ("BSD New", url("https://opensource.org/licenses/BSD-3-Clause"))
 homepage := Some(url("https://github.com/rmsone/slick-cats"))
diff --git a/src/main/tut/README.md b/docs/README.md
similarity index 100%
rename from src/main/tut/README.md
rename to docs/README.md
diff --git a/src/test/scala/com/rms/miu/slickcats/DBIOInstancesTest.scala b/src/test/scala/com/rms/miu/slickcats/DBIOInstancesTest.scala
index 3e8666f..0358ef6 100644
--- a/src/test/scala/com/rms/miu/slickcats/DBIOInstancesTest.scala
+++ b/src/test/scala/com/rms/miu/slickcats/DBIOInstancesTest.scala
@@ -16,7 +16,8 @@ import cats.laws.discipline._
 import cats.{Comonad, Eq}
 import org.scalacheck.Arbitrary.arbitrary
 import org.scalacheck.{Arbitrary, Cogen, Gen}
-import org.scalatest.{FunSuite, Matchers}
+import org.scalatest.funsuite.AnyFunSuite
+import org.scalatest.matchers.should.Matchers
 import org.typelevel.discipline.scalatest.Discipline
 import slick.dbio.DBIO
 
@@ -25,7 +26,7 @@ import scala.concurrent.ExecutionContext.Implicits.global
 import scala.concurrent.duration._
 import scala.util.{Failure, Success}
 
-class DBIOInstancesTest extends FunSuite with Matchers with Discipline with AllInstances with DBIOInstances {
+class DBIOInstancesTest extends AnyFunSuite with Matchers with Discipline with AllInstances with DBIOInstances {
   private val timeout = 3.seconds
   private val db = slick.memory.MemoryProfile.backend.Database(global)