diff --git a/build.sbt b/build.sbt
index a552425..695eca1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -12,7 +12,7 @@ lazy val scala212 = "2.12.20"
 lazy val scala213 = "2.13.15"
 lazy val scala3   = "3.3.4"
 
-lazy val scalaV    = scala3
+lazy val scalaV    = scala213
 lazy val allScalas = List("2.12", "2.13", "3.3")
 
 inThisBuild(
@@ -120,6 +120,7 @@ lazy val docs = project
     moduleName := "zio-query-docs",
     scalacOptions -= "-Yno-imports",
     scalacOptions -= "-Xfatal-warnings",
+    scalacOptions -= "-Xsource:3",
     projectName                                := (ThisBuild / name).value,
     mainModuleName                             := (zioQueryJVM / moduleName).value,
     crossScalaVersions                         := Seq(scalaV),
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 235839f..8630c5e 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -9,5 +9,6 @@ addSbtPlugin("com.eed3si9n"     % "sbt-buildinfo"    % "0.12.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.5.5")
 addSbtPlugin("org.scala-js"     % "sbt-scalajs"      % "1.17.0")
 addSbtPlugin("ch.epfl.scala"    % "sbt-scalafix"     % "0.13.0")
+addSbtPlugin("org.scalameta"    % "sbt-mdoc"         % "2.6.1")
 
 resolvers ++= Resolver.sonatypeOssRepos("public")