diff --git a/project/Release.scala b/project/Release.scala
index 653982362c..35fdb49ffa 100644
--- a/project/Release.scala
+++ b/project/Release.scala
@@ -6,11 +6,11 @@ package akka
 import sbt._
 import sbt.Keys._
 import java.io.File
-import com.typesafe.sbt.site.SphinxSupport.{ generate, Sphinx }
 import com.typesafe.sbt.pgp.PgpKeys.publishSigned
 import sbtunidoc.Plugin.UnidocKeys._
+import com.lightbend.paradox.sbt.ParadoxKeys
 
-object Release {
+object Release extends ParadoxKeys {
   val releaseDirectory = SettingKey[File]("release-directory")
 
   lazy val settings: Seq[Setting[_]] = commandSettings ++ Seq(
@@ -29,7 +29,7 @@ object Release {
     val repo = extracted.get(Publish.defaultPublishTo)
     val state1 = extracted.runAggregated(publishSigned in projectRef, state)
     val (state2, Seq(api, japi)) = extracted.runTask(unidoc in Compile, state1)
-    val (state3, docs) = extracted.runTask(generate in Sphinx, state2)
+    val (state3, docs) = extracted.runTask(paradox in ProjectRef(projectRef.build, "akka-docs") in Compile, state2)
 
     IO.delete(release)
     IO.createDirectory(release)