diff --git a/src/main/scala/seed/artefact/MavenCentral.scala b/src/main/scala/seed/artefact/MavenCentral.scala
index 3feafb9..037ced3 100644
--- a/src/main/scala/seed/artefact/MavenCentral.scala
+++ b/src/main/scala/seed/artefact/MavenCentral.scala
@@ -162,6 +162,24 @@ object MavenCentral {
       }
     }
 
+  def scalaJsBinaryVersion(version: String): String =
+    SemanticVersioning.parseVersion(version) match {
+      case Some(v) if v.preRelease.isDefined => version
+      case Some(v) if v.major >= 1           => v.major.toString
+      case Some(v)                           => v.major + "." + v.minor
+      case None                              => version
+    }
+
+  def scalaNativeBinaryVersion(version: String): String =
+    trimCompilerVersion(version)
+
+  def platformBinaryTag(platform: Platform, platformVersion: String): String =
+    platform match {
+      case JVM        => ""
+      case JavaScript => "sjs" + scalaJsBinaryVersion(platformVersion) + "_"
+      case Native     => "native" + scalaNativeBinaryVersion(platformVersion) + "_"
+    }
+
   def formatArtefactName(
     artefactName: String,
     versionTag: VersionTag,
@@ -172,18 +190,8 @@ object MavenCentral {
     versionTag match {
       case VersionTag.PlatformBinary =>
         val trimmedCompilerVersion = trimCompilerVersion(compilerVersion)
-
-        val version = platform match {
-          case JVM => trimmedCompilerVersion
-          case JavaScript =>
-            "sjs" + trimCompilerVersion(platformVersion) +
-              "_" + trimmedCompilerVersion
-          case Native =>
-            "native" + trimCompilerVersion(platformVersion) +
-              "_" + trimmedCompilerVersion
-        }
-
-        artefactName + "_" + version
+        val version                = platformBinaryTag(platform, platformVersion)
+        artefactName + "_" + version + trimmedCompilerVersion
 
       case VersionTag.Full =>
         val trimmedCompilerVersion = trimCompilerVendor(compilerVersion)
diff --git a/src/main/scala/seed/cli/Publish.scala b/src/main/scala/seed/cli/Publish.scala
index 9517c11..74bec0e 100644
--- a/src/main/scala/seed/cli/Publish.scala
+++ b/src/main/scala/seed/cli/Publish.scala
@@ -9,7 +9,12 @@ import seed.artefact.ArtefactResolution.{
   ModuleRef,
   RuntimeResolution
 }
-import seed.artefact.{ArtefactResolution, Coursier, SemanticVersioning}
+import seed.artefact.{
+  ArtefactResolution,
+  Coursier,
+  MavenCentral,
+  SemanticVersioning
+}
 import seed.cli.util.{
   Ansi,
   ConsoleOutput,
@@ -22,8 +27,7 @@ import seed.cli.util.{
 import seed.config.BuildConfig
 import seed.config.BuildConfig.Build
 import seed.generation.util.PathUtil
-import seed.model.Build.{JavaDep, Resolvers}
-import seed.model.Platform.{JavaScript, Native}
+import seed.model.Build.{JavaDep, Resolvers, VersionTag}
 import seed.model.{Config, Platform}
 import seed.publish.Bintray
 import seed.publish.util.Http
@@ -400,10 +404,6 @@ object Publish {
     """.toXml
   }
 
-  def encodeVersion(version: String): String =
-    if (SemanticVersioning.isPreRelease(version)) version
-    else SemanticVersioning.majorMinorVersion(version)
-
   def getVersion(
     projectPath: Path,
     version: Option[String],
@@ -630,14 +630,14 @@ object Publish {
     platform: Platform,
     platformModule: seed.model.Build.Module
   ): String = {
-    val packageArtefactPlatform =
-      if (platform == JavaScript)
-        "_sjs" + encodeVersion(platformModule.scalaJsVersion.get)
-      else if (platform == Native)
-        "_native" + encodeVersion(platformModule.scalaNativeVersion.get)
-      else ""
-    val scalaVersion = "_" + encodeVersion(platformModule.scalaVersion.get)
-    s"$module$packageArtefactPlatform$scalaVersion"
+    val platformVersion = BuildConfig.platformVersion(platformModule, platform)
+    MavenCentral.formatArtefactName(
+      module,
+      VersionTag.PlatformBinary,
+      platform,
+      platformVersion,
+      platformModule.scalaVersion.get
+    )
   }
 
   def resolveArtefactsAndCreatePom(
diff --git a/src/main/scala/seed/generation/util/ScalaCompiler.scala b/src/main/scala/seed/generation/util/ScalaCompiler.scala
index 2b82ade..ffc1364 100644
--- a/src/main/scala/seed/generation/util/ScalaCompiler.scala
+++ b/src/main/scala/seed/generation/util/ScalaCompiler.scala
@@ -9,7 +9,7 @@ import seed.artefact.ArtefactResolution.CompilerResolution
 import seed.config.BuildConfig.Build
 import seed.model.Build.Module
 import seed.model.Platform.{JavaScript, Native}
-import seed.model.{Artefact, Build, Platform}
+import seed.model.{Artefact, Platform}
 
 object ScalaCompiler {
   private def resolveCompiler(
diff --git a/src/test/scala/seed/artefact/MavenCentralSpec.scala b/src/test/scala/seed/artefact/MavenCentralSpec.scala
index 6f7650b..c15764b 100644
--- a/src/test/scala/seed/artefact/MavenCentralSpec.scala
+++ b/src/test/scala/seed/artefact/MavenCentralSpec.scala
@@ -3,6 +3,8 @@ package seed.artefact
 import minitest.SimpleTestSuite
 import seed.model.Platform.JVM
 import seed.Log
+import seed.model.Build.VersionTag
+import seed.model.Platform
 
 object MavenCentralSpec extends SimpleTestSuite {
   test("Parse library artefact versions") {
@@ -40,4 +42,33 @@ object MavenCentralSpec extends SimpleTestSuite {
       List((JVM, "2.11", "2.11"), (JVM, "2.12", "2.12"), (JVM, "2.13", "2.13"))
     )
   }
+
+  test("Format Scala.js artefact names") {
+    val sjs06 = MavenCentral.formatArtefactName(
+      "slinky-core",
+      VersionTag.PlatformBinary,
+      Platform.JavaScript,
+      "0.6.32",
+      "2.13.1"
+    )
+    assertEquals(sjs06, "slinky-core_sjs0.6_2.13")
+
+    val sjs10rc2 = MavenCentral.formatArtefactName(
+      "slinky-core",
+      VersionTag.PlatformBinary,
+      Platform.JavaScript,
+      "1.0-RC2",
+      "2.13.1"
+    )
+    assertEquals(sjs10rc2, "slinky-core_sjs1.0-RC2_2.13")
+
+    val sjs10 = MavenCentral.formatArtefactName(
+      "slinky-core",
+      VersionTag.PlatformBinary,
+      Platform.JavaScript,
+      "1.0.1",
+      "2.13.1"
+    )
+    assertEquals(sjs10, "slinky-core_sjs1_2.13")
+  }
 }