diff --git a/build.sbt b/build.sbt
index ba2c405..5b692ea 100644
--- a/build.sbt
+++ b/build.sbt
@@ -54,22 +54,12 @@ val commonSettings = List(
   testFrameworks += new TestFramework("weaver.framework.CatsEffect"),
   libraryDependencies ++= Seq(
     Libraries.cats,
-    Libraries.testkit,
     Libraries.catsEffect,
-    Libraries.cirisCore,
-    Libraries.cirisRefined,
     Libraries.fs2Core,
     Libraries.fs2Kafka,
-    Libraries.kittens,
     Libraries.monocleCore.value,
-    Libraries.neutronCore,
-    Libraries.odin,
-    Libraries.refinedCore.value,
-    Libraries.refinedCats.value,
     Libraries.ip4s,
     Libraries.logBack,
-    Libraries.monocleLaw       % Test,
-    Libraries.scalacheck       % Test,
     Libraries.weaverCats       % Test,
     Libraries.weaverDiscipline % Test,
     Libraries.weaverScalaCheck % Test,
diff --git a/modules/examples/src/main/scala/uk/co/odinconsultants/dreadnought/docker/ZKKafkaMain.scala b/modules/examples/src/main/scala/uk/co/odinconsultants/dreadnought/docker/ZKKafkaMain.scala
index 572f155..d95d47d 100644
--- a/modules/examples/src/main/scala/uk/co/odinconsultants/dreadnought/docker/ZKKafkaMain.scala
+++ b/modules/examples/src/main/scala/uk/co/odinconsultants/dreadnought/docker/ZKKafkaMain.scala
@@ -27,12 +27,12 @@ object ZKKafkaMain extends IOApp.Simple {
     zkStart     <- Deferred[IO, String]
     kafkaLatch   = loggingLatch("started (kafka.server.KafkaServer)", kafkaStart)
     zkLatch      = loggingLatch("Started AdminServer on address", zkStart)
-    (zk, kafka) <- interpret(client, buildFree(kafkaLatch, zkLatch))
+    (zk, kafka) <- interpret(client, kafkaEcosystem(kafkaLatch, zkLatch))
     _           <- kafkaStart.get.timeout(timeout)
     _           <- zkStart.get.timeout(timeout)
   } yield (zk, kafka)
 
-  def buildFree(
+  def kafkaEcosystem(
       kafkaLogging: String => IO[Unit],
       zkLogging:    String => IO[Unit],
   ): Free[ManagerRequest, (ContainerId, ContainerId)] =
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index b60f960..419e0a4 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -42,6 +42,7 @@ object Dependencies {
     def http4s(artifact: String): ModuleID = "org.http4s" %% ("http4s-" + artifact) % V.http4s
 
     val cats       = "org.typelevel" %% "cats-core"           % V.cats
+    val catsFree   = "org.typelevel" %% "cats-free"           % V.cats
     val catsEffect = "org.typelevel" %% "cats-effect"         % V.catsEffect
     val fs2Core    = "co.fs2"        %% "fs2-core"            % V.fs2Core
     val kittens    = "org.typelevel" %% "kittens"             % V.kittens