diff --git a/README.md b/README.md
index 009b8c0..9c09233 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 docker-it-scala
 =============
 
+[![CI](https://github.com/whisklabs/docker-it-scala/actions/workflows/ci.yaml/badge.svg)](https://github.com/whisklabs/docker-it-scala/actions/workflows/ci.yaml)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.whisk/docker-testkit-core_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.whisk/docker-testkit-core_2.12)
 [![Join the chat at https://gitter.im/whisklabs/docker-it-scala](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/whisklabs/docker-it-scala?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
@@ -22,16 +23,16 @@ There are separate artifacts available for these libraries:
 
 ```scala
 libraryDependencies ++= Seq(
-  "com.whisk" %% "docker-testkit-scalatest" % "0.9.9" % "test",
-  "com.whisk" %% "docker-testkit-impl-spotify" % "0.9.9" % "test")
+  "com.whisk" %% "docker-testkit-scalatest" % "0.11.0" % "test",
+  "com.whisk" %% "docker-testkit-impl-spotify" % "0.11.0" % "test")
 ```
 
 **docker-java**
 
 ```scala
 libraryDependencies ++= Seq(
-  "com.whisk" %% "docker-testkit-scalatest" % "0.9.9" % "test",
-  "com.whisk" %% "docker-testkit-impl-docker-java" % "0.9.9" % "test")
+  "com.whisk" %% "docker-testkit-scalatest" % "0.11.0" % "test",
+  "com.whisk" %% "docker-testkit-impl-docker-java" % "0.11.0" % "test")
 ```
 
 You don't necessarily have to use `scalatest` dependency as demonstrated above.
diff --git a/build.sbt b/build.sbt
index 725b7c8..5650d0b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,8 +1,8 @@
 lazy val commonSettings = Seq(
   organization := "com.whisk",
-  version := "0.10.0-RC",
+  version := "0.11.0",
   scalaVersion := "2.13.6",
-  crossScalaVersions := Seq("2.13.6", "2.12.15", "2.11.12"),
+  crossScalaVersions := Seq("2.13.6", "2.12.15", "2.11.12", "3.0.2"),
   scalacOptions ++= Seq("-feature", "-deprecation"),
   Test / fork := true,
   licenses += ("MIT", url("http://opensource.org/licenses/MIT")),
@@ -56,7 +56,7 @@ lazy val scalatest =
     .settings(
       name := "docker-testkit-scalatest",
       libraryDependencies ++= Seq(
-        "org.scalatest" %% "scalatest" % "3.1.2",
+        "org.scalatest" %% "scalatest" % "3.2.9",
         "ch.qos.logback" % "logback-classic" % "1.2.3" % "test"
       )
     )
diff --git a/core/src/main/scala/com/whisk/docker/testkit/DockerTestTimeouts.scala b/core/src/main/scala/com/whisk/docker/testkit/DockerTestTimeouts.scala
index 85f641d..1d3b1af 100644
--- a/core/src/main/scala/com/whisk/docker/testkit/DockerTestTimeouts.scala
+++ b/core/src/main/scala/com/whisk/docker/testkit/DockerTestTimeouts.scala
@@ -10,5 +10,5 @@ case class DockerTestTimeouts(
 
 object DockerTestTimeouts {
 
-  val Default = DockerTestTimeouts()
+  val Default: DockerTestTimeouts = DockerTestTimeouts()
 }
diff --git a/notes/0.11.0.markdown b/notes/0.11.0.markdown
new file mode 100644
index 0000000..0fabdc4
--- /dev/null
+++ b/notes/0.11.0.markdown
@@ -0,0 +1,9 @@
+#scala #docker #integration-testing
+
+## Highlights
+
+* add cross-compilation for scala [3](https://github.com/whisklabs/docker-it-scala/pull/146)
+* proper [timeouts handling](https://github.com/whisklabs/docker-it-scala/pull/133)
+* updated [sbt with plugins](https://github.com/whisklabs/docker-it-scala/pull/147)
+* create Github Action [CI](https://github.com/whisklabs/docker-it-scala/pull/147)
+* docs and small code improvements
diff --git a/tests/src/test/scala/com/whisk/docker/testkit/test/MultiContainerTest.scala b/tests/src/test/scala/com/whisk/docker/testkit/test/MultiContainerTest.scala
index 4d4af1d..9ade0dd 100644
--- a/tests/src/test/scala/com/whisk/docker/testkit/test/MultiContainerTest.scala
+++ b/tests/src/test/scala/com/whisk/docker/testkit/test/MultiContainerTest.scala
@@ -8,11 +8,14 @@ class MultiContainerTest
     with DockerElasticsearchService
     with DockerMongodbService {
 
-  override val managedContainers = ContainerGroup.of(elasticsearchContainer, mongodbContainer)
+  override val managedContainers: ContainerGroup =
+    ContainerGroup.of(elasticsearchContainer, mongodbContainer)
 
   test("both containers should be ready") {
-    assert(elasticsearchContainer.state().isInstanceOf[ContainerState.Ready],
-           "elasticsearch container is ready")
+    assert(
+      elasticsearchContainer.state().isInstanceOf[ContainerState.Ready],
+      "elasticsearch container is ready"
+    )
     assert(elasticsearchContainer.mappedPortOpt(9200).nonEmpty, "elasticsearch port is exposed")
 
     assert(mongodbContainer.state().isInstanceOf[ContainerState.Ready], "mongodb is ready")