diff --git a/build.sbt b/build.sbt
index bf1bb9b..c6ba41d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -16,7 +16,7 @@
 
 name := "cats-effect-testing"
 
-ThisBuild / baseVersion := "1.3"
+ThisBuild / baseVersion := "1.4"
 ThisBuild / strictSemVer := true
 
 ThisBuild / organization := "org.typelevel"
@@ -42,7 +42,7 @@ ThisBuild / scmInfo := Some(
     url("https://github.com/djspiewak/cats-effect-testing"),
     "git@github.com:djspiewak/cats-effect-testing.git"))
 
-val CatsEffectVersion = "3.2.9"
+val CatsEffectVersion = "3.3.0"
 
 lazy val root = project
   .in(file("."))
@@ -76,7 +76,9 @@ lazy val specs2 = crossProject(JSPlatform, JVMPlatform)
   .dependsOn(core)
   .settings(
     name := "cats-effect-testing-specs2",
-    libraryDependencies += ("org.specs2" %%% "specs2-core" % "4.13.1").cross(CrossVersion.for3Use2_13))
+    libraryDependencies += ("org.specs2" %%% "specs2-core" % "4.13.1")
+      .cross(CrossVersion.for3Use2_13)
+      .exclude("org.scala-js", "scala-js-macrotask-executor_sjs1_2.13"))
 
 lazy val scalatest = crossProject(JSPlatform, JVMPlatform)
   .in(file("scalatest"))
@@ -97,7 +99,9 @@ lazy val utest = crossProject(JSPlatform, JVMPlatform)
 
     libraryDependencies ++= Seq(
       "org.typelevel" %%% "cats-effect-testkit" % CatsEffectVersion,
-      "com.lihaoyi" %%% "utest" % "0.7.10"))
+      "com.lihaoyi" %%% "utest" % "0.7.10"),
+
+    Test / scalacOptions -= "-Xfatal-warnings")
 
 lazy val minitest = crossProject(JSPlatform, JVMPlatform)
   .in(file("minitest"))
@@ -108,4 +112,6 @@ lazy val minitest = crossProject(JSPlatform, JVMPlatform)
 
     libraryDependencies ++= Seq(
       "org.typelevel" %%% "cats-effect-testkit" % CatsEffectVersion,
-      "io.monix" %%% "minitest" % "2.9.6"))
+      "io.monix" %%% "minitest" % "2.9.6"),
+
+    Test / scalacOptions -= "-Xfatal-warnings")
diff --git a/minitest/shared/src/main/scala/cats/effect/testing/minitest/DeterministicIOTestSuite.scala b/minitest/shared/src/main/scala/cats/effect/testing/minitest/DeterministicIOTestSuite.scala
index da9b486..b26a7af 100644
--- a/minitest/shared/src/main/scala/cats/effect/testing/minitest/DeterministicIOTestSuite.scala
+++ b/minitest/shared/src/main/scala/cats/effect/testing/minitest/DeterministicIOTestSuite.scala
@@ -25,6 +25,7 @@ import minitest.api.{DefaultExecutionContext, TestSpec}
 
 import scala.concurrent.duration._
 
+@deprecated("use TestControl from cats-effect-testkit", "1.4.0")
 abstract class DeterministicIOTestSuite extends BaseIOTestSuite[TestContext] {
 
   override protected final def makeExecutionContext(): TestContext = TestContext()
@@ -48,7 +49,7 @@ abstract class DeterministicIOTestSuite extends BaseIOTestSuite[TestContext] {
         unsafe.IORuntime(ec, ec, scheduler, () => (), unsafe.IORuntimeConfig())
 
       val f = io.unsafeToFuture()
-      ec.tick(365.days)
+      ec.tickAll()
       f.value match {
         case Some(value) => value.get
         case None => throw new RuntimeException(
diff --git a/utest/shared/src/main/scala/cats/effect/testing/utest/DeterministicIOTestSuite.scala b/utest/shared/src/main/scala/cats/effect/testing/utest/DeterministicIOTestSuite.scala
index 3d5fcbd..8972e77 100644
--- a/utest/shared/src/main/scala/cats/effect/testing/utest/DeterministicIOTestSuite.scala
+++ b/utest/shared/src/main/scala/cats/effect/testing/utest/DeterministicIOTestSuite.scala
@@ -24,6 +24,7 @@ import utest.TestSuite
 import scala.concurrent.{ExecutionContext, Future}
 import scala.concurrent.duration._
 
+@deprecated("use TestControl from cats-effect-testkit", "1.4.0")
 abstract class DeterministicIOTestSuite extends TestSuite {
   protected val testContext: TestContext = TestContext()
   protected def allowNonIOTests: Boolean = false
@@ -46,7 +47,7 @@ abstract class DeterministicIOTestSuite extends TestSuite {
     runBody.flatMap {
       case io: IO[Any] =>
         val f = io.unsafeToFuture()
-        testContext.tickAll(365.days)
+        testContext.tickAll()
         assert(testContext.state.tasks.isEmpty)
         f.value match {
           case Some(_) => f