<dependency>
<groupId>org.http4s</groupId>
<artifactId>http4s-core_2.12</artifactId>
<version>0.18.6</version>
</dependency>
compile
|-- org.scala-lang:scala-library:2.12.4
|-- org.typelevel:cats-core_2.12:1.1.0
|-- org.typelevel:cats-effect_2.12:0.10
|-- co.fs2:fs2-scodec_2.12:0.10.3
|-- org.http4s:http4s-websocket_2.12:0.2.0
|-- org.log4s:log4s_2.12:1.6.1
|-- org.typelevel:macro-compat_2.12:1.1.1
|-- org.http4s:parboiled_2.12:1.0.0
|-- org.scodec:scodec-bits_2.12:1.1.5
provided
|-- org.scala-lang:scala-compiler:2.12.4
|-- org.scala-lang:scala-reflect:2.12.4
test
|-- org.typelevel:cats-laws_2.12:1.1.0
|-- org.typelevel:cats-kernel-laws_2.12:1.1.0
|-- org.typelevel:discipline_2.12:0.9.0
|-- ch.qos.logback:logback-classic:1.2.3
|-- org.scalacheck:scalacheck_2.12:1.13.5
|-- org.specs2:specs2-core_2.12:4.0.3