<dependency>
<groupId>org.atnos</groupId>
<artifactId>eff-scalaz_2.12</artifactId>
<version>5.10.0</version>
</dependency>
compile
|-- org.scala-lang:scala-library:2.12.12
|-- org.scalaz:scalaz-core_2.12:7.3.2
|-- org.typelevel:cats-core_2.12:2.1.1
test
|-- org.specs2:specs2-core_2.12:4.10.0
|-- org.specs2:specs2-matcher-extra_2.12:4.10.0
|-- org.specs2:specs2-scalacheck_2.12:4.10.0