diff --git a/build.sbt b/build.sbt
index 9722712..b24e46b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -68,9 +68,7 @@ lazy val specs2 = crossProject(JSPlatform, JVMPlatform)
   .dependsOn(core)
   .settings(
     name := "cats-effect-testing-specs2",
-
-    libraryDependencies += "org.specs2"    %% "specs2-core" % "4.12.0")
-  .settings(dottyLibrarySettings)
+    libraryDependencies += ("org.specs2" %% "specs2-core" % "4.12.0").cross(CrossVersion.for3Use2_13))
 
 lazy val scalatest = crossProject(JSPlatform, JVMPlatform)
   .in(file("scalatest"))
diff --git a/project/plugins.sbt b/project/plugins.sbt
index c11e888..5dd22c3 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,5 +1,3 @@
-addSbtPlugin("com.codecommit" % "sbt-spiewak-sonatype" % "0.20.4")
-addSbtPlugin("org.scala-js"   % "sbt-scalajs"          % "1.5.1")
+addSbtPlugin("com.codecommit"     % "sbt-spiewak-sonatype"     % "0.21.0")
+addSbtPlugin("org.scala-js"       % "sbt-scalajs"              % "1.5.1")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0")
-// TODO: Remove when sbt-spiewak does not use sbt-dotty
-addSbtPlugin("ch.epfl.lamp" % "sbt-dotty" % "0.5.5")
\ No newline at end of file