diff --git a/.github/workflows/launchers.yml b/.github/workflows/launchers.yml
index 11bc93e..8a89907 100644
--- a/.github/workflows/launchers.yml
+++ b/.github/workflows/launchers.yml
@@ -12,7 +12,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-2016, macos-latest]
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        scalaJsVersion: ["1.9.0", "1.10.0"]
     steps:
       - uses: actions/checkout@v2
         with:
@@ -23,16 +24,20 @@ jobs:
         with:
           jvm: 8
       - run: |
-          ./mill -i "native.writeNativeImageScript" generate.sh "" && \
+          ./mill -i "native[$scalaJsVersion].writeNativeImageScript" generate.sh "" && \
           ./generate.sh && \
-          ./mill -i "native.copyToArtifacts" artifacts/
+          ./mill -i "native[$scalaJsVersion].copyToArtifacts" artifacts/
         if: runner.os != 'Windows'
+        env:
+          scalaJsVersion: ${{ matrix.scalaJsVersion }}
       - run: |
-          @call ./mill.bat -i "native.writeNativeImageScript" generate.bat ""
+          @call ./mill.bat -i "native[%scalaJsVersion%].writeNativeImageScript" generate.bat ""
           @call generate.bat
-          @call ./mill.bat -i "native.copyToArtifacts" artifacts/
+          @call ./mill.bat -i "native[%scalaJsVersion%].copyToArtifacts" artifacts/
         shell: cmd
         if: runner.os == 'Windows'
+        env:
+          scalaJsVersion: ${{ matrix.scalaJsVersion }}
       - uses: actions/upload-artifact@v2.2.4
         with:
           name: launcher-${{ matrix.os }}
@@ -46,6 +51,10 @@ jobs:
 
   generate-static-launcher:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        scalaJsVersion: ["1.9.0", "1.10.0"]
     steps:
       - uses: actions/checkout@v2
         with:
@@ -56,9 +65,11 @@ jobs:
         with:
           jvm: 8
       - run: |
-          ./mill -i "native-static.writeNativeImageScript" generate.sh "" && \
+          ./mill -i "native-static[$scalaJsVersion].writeNativeImageScript" generate.sh "" && \
           ./generate.sh && \
-          ./mill -i "native-static.copyToArtifacts" artifacts/
+          ./mill -i "native-static[$scalaJsVersion].copyToArtifacts" artifacts/
+        env:
+          scalaJsVersion: ${{ matrix.scalaJsVersion }}
       - uses: actions/upload-artifact@v2.2.4
         with:
           name: launcher-${{ matrix.os }}-static
@@ -72,6 +83,10 @@ jobs:
 
   generate-mostly-static-launcher:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        scalaJsVersion: ["1.9.0", "1.10.0"]
     steps:
       - uses: actions/checkout@v2
         with:
@@ -82,9 +97,11 @@ jobs:
         with:
           jvm: 8
       - run: |
-          ./mill -i "native-mostly-static.writeNativeImageScript" generate.sh "" && \
+          ./mill -i "native-mostly-static[$scalaJsVersion].writeNativeImageScript" generate.sh "" && \
           ./generate.sh && \
-          ./mill -i "native-mostly-static.copyToArtifacts" artifacts/
+          ./mill -i "native-mostly-static[$scalaJsVersion].copyToArtifacts" artifacts/
+        env:
+          scalaJsVersion: ${{ matrix.scalaJsVersion }}
       - uses: actions/upload-artifact@v2.2.4
         with:
           name: launcher-${{ matrix.os }}-mostly-static
diff --git a/build.sc b/build.sc
index dcf6789..0b836d8 100644
--- a/build.sc
+++ b/build.sc
@@ -9,10 +9,11 @@ import mill._
 import mill.scalalib._
 
 def scalaJsCliVersion = "1.1.1-sc1"
+def scalaJsVersions = Seq("1.9.0", "1.10.0")
 
-trait ScalaJsCliNativeImage extends ScalaModule with NativeImage {
+class ScalaJsCliNativeImage(val scalaJsVersion0: String) extends ScalaModule with NativeImage {
   def scalaVersion = "2.13.8"
-  def scalaJsVersion = "1.9.0"
+  def scalaJsVersion = scalaJsVersion0
 
   def nativeImageClassPath = T{
     runClasspath()
@@ -44,11 +45,11 @@ trait ScalaJsCliNativeImage extends ScalaModule with NativeImage {
   }
 }
 
-object native extends ScalaJsCliNativeImage
+object native extends Cross[ScalaJsCliNativeImage](scalaJsVersions: _*)
 
 def csDockerVersion = "2.1.0-M5-18-gfebf9838c"
 
-object `native-static` extends ScalaJsCliNativeImage {
+class ScalaJsCliStaticNativeImage(scalaJsVersion0: String) extends ScalaJsCliNativeImage(scalaJsVersion0) {
   def nameSuffix = "-static"
   def buildHelperImage = T {
     os.proc("docker", "build", "-t", "scala-cli-base-musl:latest", ".")
@@ -69,8 +70,9 @@ object `native-static` extends ScalaJsCliNativeImage {
     super.writeNativeImageScript(scriptDest, imageDest)()
   }
 }
+object `native-static` extends Cross[ScalaJsCliStaticNativeImage](scalaJsVersions: _*)
 
-object `native-mostly-static` extends ScalaJsCliNativeImage {
+class ScalaJsCliMostlyStaticNativeImage(scalaJsVersion0: String) extends ScalaJsCliNativeImage(scalaJsVersion0) {
   def nameSuffix = "-mostly-static"
   def nativeImageDockerParams = Some(
     NativeImage.linuxMostlyStaticParams(
@@ -79,6 +81,7 @@ object `native-mostly-static` extends ScalaJsCliNativeImage {
     )
   )
 }
+object `native-mostly-static` extends Cross[ScalaJsCliMostlyStaticNativeImage](scalaJsVersions: _*)
 
 
 def publishVersion = T{