diff --git a/build.sbt b/build.sbt
index 62abe6c..dadd7c1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,9 +2,9 @@ name := "scalatest-matchers"
 
 version := "0.1"
 
-scalaVersion := "2.12.8"
+scalaVersion := "2.13.6"
 
 libraryDependencies ++= Seq(
-  "org.scalatest" %% "scalatest" % "3.0.5",
-  "com.ironcorelabs" %% "cats-scalatest" % "2.4.0"
+  "org.scalatest" %% "scalatest" % "3.2.9",
+  "com.ironcorelabs" %% "cats-scalatest" % "3.1.1"
 ).map(_ % Test)
\ No newline at end of file
diff --git a/project/build.properties b/project/build.properties
index 7609b47..215ddd2 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.2.8
\ No newline at end of file
+sbt.version = 1.5.5
\ No newline at end of file
diff --git a/src/test/scala/org/kunicki/scalatest/BaseSpec.scala b/src/test/scala/org/kunicki/scalatest/BaseSpec.scala
index 513df32..c7f8f21 100644
--- a/src/test/scala/org/kunicki/scalatest/BaseSpec.scala
+++ b/src/test/scala/org/kunicki/scalatest/BaseSpec.scala
@@ -1,5 +1,6 @@
 package org.kunicki.scalatest
 
-import org.scalatest.{FlatSpec, Matchers}
+import org.scalatest.flatspec.AnyFlatSpec
+import org.scalatest.matchers.should.Matchers
 
-trait BaseSpec extends FlatSpec with Matchers
+trait BaseSpec extends AnyFlatSpec with Matchers
diff --git a/src/test/scala/org/kunicki/scalatest/examples/1_OptionsAndEithers.scala b/src/test/scala/org/kunicki/scalatest/examples/1_OptionsAndEithers.scala
index b9480ef..0e42915 100644
--- a/src/test/scala/org/kunicki/scalatest/examples/1_OptionsAndEithers.scala
+++ b/src/test/scala/org/kunicki/scalatest/examples/1_OptionsAndEithers.scala
@@ -45,12 +45,12 @@ class OptionHasValue extends BaseSpec with OptionValues {
 class EitherHasValue extends BaseSpec with EitherValues {
 
   it should "check if an Either is right with get" in {
-    either.right.get shouldBe 1
+    either.value shouldBe 1
   }
 
   //region either value
   it should "check if an Either is right with value" in {
-    either.right.value shouldBe 1
+    either.value shouldBe 1
   }
   //endregion
 
diff --git a/src/test/scala/org/kunicki/scalatest/examples/3_Futures.scala b/src/test/scala/org/kunicki/scalatest/examples/3_Futures.scala
index da7d00e..d177849 100644
--- a/src/test/scala/org/kunicki/scalatest/examples/3_Futures.scala
+++ b/src/test/scala/org/kunicki/scalatest/examples/3_Futures.scala
@@ -2,7 +2,8 @@ package org.kunicki.scalatest.examples
 
 import org.kunicki.scalatest.BaseSpec
 import org.scalatest.concurrent.{IntegrationPatience, ScalaFutures}
-import org.scalatest.{AsyncFlatSpec, Matchers}
+import org.scalatest.flatspec.AsyncFlatSpec
+import org.scalatest.matchers.should.Matchers
 
 import scala.concurrent.duration.Duration
 import scala.concurrent.{Await, ExecutionContext, Future}
diff --git a/src/test/scala/org/kunicki/scalatest/fixtures/Goodies.scala b/src/test/scala/org/kunicki/scalatest/fixtures/Goodies.scala
index 5ece7f2..d040b6b 100644
--- a/src/test/scala/org/kunicki/scalatest/fixtures/Goodies.scala
+++ b/src/test/scala/org/kunicki/scalatest/fixtures/Goodies.scala
@@ -1,6 +1,7 @@
 package org.kunicki.scalatest.fixtures
 
+import org.scalatest.OptionValues
 import org.scalatest.concurrent.{Eventually, ScalaFutures}
-import org.scalatest.{Matchers, OptionValues}
+import org.scalatest.matchers.should.Matchers
 
 trait Goodies extends Matchers with Eventually with OptionValues with ScalaFutures
diff --git a/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceCustomMethodSpec.scala b/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceCustomMethodSpec.scala
index 76d489e..b093cea 100644
--- a/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceCustomMethodSpec.scala
+++ b/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceCustomMethodSpec.scala
@@ -1,11 +1,11 @@
 package org.kunicki.scalatest.fixtures
 
-import org.scalatest.FlatSpec
+import org.scalatest.flatspec.AnyFlatSpec
 
 import scala.concurrent.ExecutionContext.Implicits.global
 import scala.concurrent.Future
 
-class NotificationServiceCustomMethodSpec extends FlatSpec with Goodies {
+class NotificationServiceCustomMethodSpec extends AnyFlatSpec with Goodies {
 
   case class Fixture(user: User, notificationService: NotificationService) {
 
diff --git a/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceFixtureSpec.scala b/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceFixtureSpec.scala
index dc2082a..2153622 100644
--- a/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceFixtureSpec.scala
+++ b/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceFixtureSpec.scala
@@ -1,11 +1,12 @@
 package org.kunicki.scalatest.fixtures
 
-import org.scalatest.{Outcome, fixture}
+import org.scalatest.Outcome
+import org.scalatest.flatspec.FixtureAnyFlatSpec
 
 import scala.concurrent.ExecutionContext.Implicits.global
 import scala.concurrent.Future
 
-class NotificationServiceFixtureSpec extends fixture.FlatSpec with Goodies {
+class NotificationServiceFixtureSpec extends FixtureAnyFlatSpec with Goodies {
 
   case class FixtureParam(user: User, notificationService: NotificationService) {
 
diff --git a/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceSpec.scala b/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceSpec.scala
index 48ee439..1d2dbc7 100644
--- a/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceSpec.scala
+++ b/src/test/scala/org/kunicki/scalatest/fixtures/NotificationServiceSpec.scala
@@ -1,10 +1,10 @@
 package org.kunicki.scalatest.fixtures
 
-import org.scalatest.FlatSpec
+import org.scalatest.flatspec.AnyFlatSpec
 
 import scala.concurrent.ExecutionContext.Implicits.global
 
-class NotificationServiceSpec extends FlatSpec with Goodies {
+class NotificationServiceSpec extends AnyFlatSpec with Goodies {
 
   it should "create a notification" in {
     // given