diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5156b3..80d98db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,4 +14,4 @@ jobs:
       with:
         java-version: 8
         distribution: temurin
-    - run: sbt -v scalafmtSbtCheck scalafmtCheckAll "+ scalapropsMagnoliaJVM/test" "+ scalapropsMagnoliaJS/test"
+    - run: sbt -v scalafmtSbtCheck scalafmtCheckAll "+ test"
diff --git a/build.sbt b/build.sbt
index 5a78a0d..56dc1a2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,5 @@
 import sbtrelease._
 import ReleaseStateTransformations._
-import sbtcrossproject.CrossPlugin.autoImport.{crossProject, CrossType}
 
 ThisBuild / onChangedBuildSource := ReloadOnSourceChanges
 
@@ -63,8 +62,7 @@ lazy val commonSettings = nocomma {
   )
 }
 
-lazy val scalapropsMagnolia = crossProject(JVMPlatform, JSPlatform)
-  .crossType(CrossType.Pure)
+lazy val scalapropsMagnolia = project
   .in(file("."))
   .settings(
     scalapropsCoreSettings,
@@ -109,9 +107,10 @@ lazy val scalapropsMagnolia = crossProject(JVMPlatform, JSPlatform)
     }
     scalapropsVersion := "0.9.1"
     libraryDependencies ++= Seq(
-      "com.propensive" %%% "magnolia" % "0.14.5",
-      "com.github.scalaprops" %%% "scalaprops-gen" % scalapropsVersion.value,
-      "com.github.scalaprops" %%% "scalaprops" % scalapropsVersion.value % "test"
+      "org.scala-lang" % "scala-reflect" % scalaVersion.value % Provided,
+      "com.softwaremill.magnolia1_2" %% "magnolia" % "1.1.9",
+      "com.github.scalaprops" %% "scalaprops-gen" % scalapropsVersion.value,
+      "com.github.scalaprops" %% "scalaprops" % scalapropsVersion.value % "test"
     )
     (Compile / doc / scalacOptions) ++= {
       val tag = tagOrHash.value
@@ -123,24 +122,3 @@ lazy val scalapropsMagnolia = crossProject(JVMPlatform, JSPlatform)
       )
     }
   })
-  .jsSettings(
-    scalacOptions += {
-      val a = (LocalRootProject / baseDirectory).value.toURI.toString
-      val g = "https://raw.githubusercontent.com/scalaprops/scalaprops-magnolia/" + tagOrHash.value
-      s"-P:scalajs:mapSourceURI:$a->$g/"
-    }
-  )
-
-lazy val notPublish = nocomma {
-  publishArtifact := false
-  publish := {}
-  publishLocal := {}
-  PgpKeys.publishSigned := {}
-  PgpKeys.publishLocalSigned := {}
-}
-
-commonSettings
-notPublish
-name := "root"
-Compile / sources := Nil
-Test / sources := Nil
diff --git a/project/plugin.sbt b/project/plugin.sbt
index 7a2fa39..ccfa1c6 100644
--- a/project/plugin.sbt
+++ b/project/plugin.sbt
@@ -3,8 +3,6 @@ addSbtPlugin("com.github.scalaprops" % "sbt-scalaprops" % "0.5.0")
 addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.9.21")
 addSbtPlugin("com.github.sbt" % "sbt-release" % "1.4.0")
 addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.2.1")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.16.0")
-addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.2")
 addSbtPlugin("com.eed3si9n" % "sbt-nocomma" % "0.1.1")
 
 scalacOptions ++= Seq(
diff --git a/src/main/scala/scalaprops/ScalapropsMagnoliaCogen.scala b/src/main/scala/scalaprops/ScalapropsMagnoliaCogen.scala
index d599240..5da5e3c 100644
--- a/src/main/scala/scalaprops/ScalapropsMagnoliaCogen.scala
+++ b/src/main/scala/scalaprops/ScalapropsMagnoliaCogen.scala
@@ -1,11 +1,11 @@
 package scalaprops
 
-import magnolia.{CaseClass, Magnolia, SealedTrait}
+import magnolia1.{CaseClass, Magnolia, SealedTrait}
 
 object ScalapropsMagnoliaCogen {
   type Typeclass[T] = scalaprops.Cogen[T]
 
-  def combine[T](ctx: CaseClass[Typeclass, T]): Typeclass[T] =
+  def join[T](ctx: CaseClass[Typeclass, T]): Typeclass[T] =
     new Cogen[T] {
       def cogen[B](t: T, g: CogenState[B]) = {
         ctx.parameters.zipWithIndex.foldLeft(g) { case (state, (p, i)) =>
@@ -14,7 +14,7 @@ object ScalapropsMagnoliaCogen {
       }
     }
 
-  def dispatch[T](ctx: SealedTrait[Typeclass, T]): Typeclass[T] =
+  def split[T](ctx: SealedTrait[Typeclass, T]): Typeclass[T] =
     new Cogen[T] {
       def cogen[B](t: T, g: CogenState[B]) = {
         val index = ctx.subtypes.indexWhere(_.cast.isDefinedAt(t))
diff --git a/src/main/scala/scalaprops/ScalapropsMagnoliaGen.scala b/src/main/scala/scalaprops/ScalapropsMagnoliaGen.scala
index e0e40d2..d3fd90c 100644
--- a/src/main/scala/scalaprops/ScalapropsMagnoliaGen.scala
+++ b/src/main/scala/scalaprops/ScalapropsMagnoliaGen.scala
@@ -1,11 +1,11 @@
 package scalaprops
 
-import magnolia.{CaseClass, Magnolia, SealedTrait}
+import magnolia1.{CaseClass, Magnolia, SealedTrait}
 
 object ScalapropsMagnoliaGen {
   type Typeclass[T] = scalaprops.Gen[T]
 
-  def combine[T](ctx: CaseClass[Gen, T]): Gen[T] =
+  def join[T](ctx: CaseClass[Gen, T]): Gen[T] =
     Gen.gen[T] { (size, rand) =>
       var r = rand
       val result = ctx.construct { p =>
@@ -17,7 +17,7 @@ object ScalapropsMagnoliaGen {
       r -> result
     }
 
-  def dispatch[T](ctx: SealedTrait[Gen, T]): Gen[T] = {
+  def split[T](ctx: SealedTrait[Gen, T]): Gen[T] = {
     val gs: Seq[Gen[T]] = ctx.subtypes.map { x => x.typeclass.asInstanceOf[Gen[T]] }
     Gen.choose(0, gs.size - 1).flatMap(gs)
   }