diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 000000000..3aa63aa3c
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,25 @@
+name: test
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        java: [8, 11, 17]
+        scala: [2.12.15, 2.13.6, 3.0.2]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - uses: coursier/cache-action@v6
+    - uses: actions/setup-java@v2
+      with:
+        distribution: adopt
+        java-version: ${{matrix.java}}
+    - name: Test
+      run: sbt ++${{matrix.scala}} test headerCheck versionPolicyCheck package
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 000000000..dc3371112
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,21 @@
+name: Release
+on:
+  push:
+    tags: ["*"]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-java@v2
+        with:
+          distribution: adopt
+          java-version: 8
+      - run: sbt versionCheck ci-release
+        env:
+          PGP_PASSPHRASE: ${{secrets.PGP_PASSPHRASE}}
+          PGP_SECRET: ${{secrets.PGP_SECRET}}
+          SONATYPE_PASSWORD: ${{secrets.SONATYPE_PASSWORD}}
+          SONATYPE_USERNAME: ${{secrets.SONATYPE_USERNAME}}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 670b12f96..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-version: ~> 1.0 # needed for imports
-
-import: scala/scala-dev:travis/default.yml
-
-language: scala
-
-scala:
-  - 3.0.2
-  - 2.12.15
-  - 2.13.6
-
-env:
-  - SCALAJS_VERSION=          ADOPTOPENJDK=8
-  - SCALAJS_VERSION=1.7.0     ADOPTOPENJDK=8
-  - SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
-  - SCALAJS_VERSION=          ADOPTOPENJDK=11
-  - SCALAJS_VERSION=          ADOPTOPENJDK=17
-
-jobs:
-  exclude:
-    - scala: 3.0.2
-      env: SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
-
-install:
-  - git fetch --tags # get all tags for sbt-dynver
-
-script: ./build.sh
diff --git a/README.md b/README.md
index 4502ef918..535484a24 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
 scala-xml
-[![Travis](https://img.shields.io/travis/scala/scala-xml.svg)](https://travis-ci.org/scala/scala-xml)
 [![latest release for 2.12](https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-xml_2.12.svg?label=scala+2.12)](http://mvnrepository.com/artifact/org.scala-lang.modules/scala-xml_2.12)
 [![latest release for 2.13](https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-xml_2.13.svg?label=scala+2.13)](http://mvnrepository.com/artifact/org.scala-lang.modules/scala-xml_2.13)
 [![latest release for 3.0](https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-xml_3.svg?label=scala+3)](http://mvnrepository.com/artifact/org.scala-lang.modules/scala-xml_3)
diff --git a/build.sbt b/build.sbt
index 674a474cd..fc3906c03 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,5 +1,7 @@
 import sbtcrossproject.CrossPlugin.autoImport.{crossProject, CrossType}
 
+publish / skip := true  // root project
+
 ThisBuild / startYear := Some(2002)
 ThisBuild / licenses += (("Apache-2.0", url("https://www.apache.org/licenses/LICENSE-2.0")))
 
@@ -33,6 +35,8 @@ lazy val xml = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   .settings(
     name    := "scala-xml",
     scalaModuleAutomaticModuleName := Some("scala.xml"),
+    crossScalaVersions := Seq("2.13.6", "2.12.15", "3.0.2"),
+
     scalacOptions ++= (CrossVersion.partialVersion(scalaVersion.value) match {
       case Some((3, _)) =>
         Seq("-language:Scala2")
@@ -129,6 +133,7 @@ lazy val xml = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   )
   .jsEnablePlugins(ScalaJSJUnitPlugin)
   .nativeSettings(
+    crossScalaVersions := Seq("2.13.6", "2.12.15"),
     // Scala Native cannot run forked tests
     Test / fork := false,
     libraryDependencies += "org.scala-native" %%% "junit-runtime" % nativeVersion % Test,
diff --git a/build.sh b/build.sh
deleted file mode 100755
index ab4af6963..000000000
--- a/build.sh
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/bin/bash
-
-set -e
-
-# Builds of tagged revisions are published to sonatype staging.
-
-# Travis runs a build on new revisions and on new tags, so a tagged revision is built twice.
-# Builds for a tag have TRAVIS_TAG defined, which we use for identifying tagged builds.
-
-# sbt-dynver sets the version number from the tag
-# sbt-travisci sets the Scala version from the travis job matrix
-
-# To back-publish an existing release for a new Scala / Scala.js / Scala Native version:
-# - check out the tag for the version that needs to be published
-# - change `.travis.yml` to adjust the version numbers and trim down the build matrix as necessary
-# - commit the changes and tag this new revision with an arbitrary suffix after a hash, e.g.,
-#   `v1.2.3#dotty-0.27` (the suffix is ignored, the version will be `1.2.3`)
-
-# We release on JDK 8 (for Scala 2.x and Dotty 0.x)
-isReleaseJob() {
-  if [[ "$ADOPTOPENJDK" == "8" ]]; then
-    true
-  else
-    false
-  fi
-}
-
-if [[ "$SCALAJS_VERSION" == "" ]] && [[ "$SCALANATIVE_VERSION" == "" ]]; then
-  projectPrefix="xml/"
-elif [[ "$SCALAJS_VERSION" == "" ]]; then
-  projectPrefix="xmlNative/"
-else
-  projectPrefix="xmlJS/"
-fi
-
-verPat="[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9-]+)?"
-tagPat="^v$verPat(#.*)?$"
-
-if [[ "$TRAVIS_TAG" =~ $tagPat ]]; then
-  versionCheckTask="versionCheck"
-  releaseTask="ci-release"
-  if ! isReleaseJob; then
-    echo "Not releasing on Java $ADOPTOPENJDK with Scala $TRAVIS_SCALA_VERSION"
-    exit 0
-  fi
-fi
-
-# default is +publishSigned; we cross-build with travis jobs, not sbt's crossScalaVersions
-export CI_RELEASE="${projectPrefix}publishSigned"
-export CI_SNAPSHOT_RELEASE="${projectPrefix}publish"
-
-# default is sonatypeBundleRelease, which closes and releases the staging repo
-# see https://github.com/xerial/sbt-sonatype#commands
-# for now, until we're confident in the new release scripts, just close the staging repo.
-export CI_SONATYPE_RELEASE="; sonatypePrepare; sonatypeBundleUpload; sonatypeClose"
-
-sbt clean ${projectPrefix}test ${projectPrefix}publishLocal $versionCheckTask $releaseTask
diff --git a/project/plugins.sbt b/project/plugins.sbt
index e82b291f2..32c1365e3 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,12 +1,6 @@
-val scalaJSVersion =
-  Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("1.7.0")
-
-val scalaNativeVersion =
-  Option(System.getenv("SCALANATIVE_VERSION")).filter(_.nonEmpty).getOrElse("0.4.0")
-
-addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "2.4.0")
+addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "3.0.0")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.1.0")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.1.0")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % scalaNativeVersion)
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.7.0")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.0")
 addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.6.0")
diff --git a/shared/src/main/scala-2.13-/scala/xml/ScalaVersionSpecific.scala b/shared/src/main/scala-2.13-/scala/xml/ScalaVersionSpecific.scala
index 417a3bcc6..af7daf769 100644
--- a/shared/src/main/scala-2.13-/scala/xml/ScalaVersionSpecific.scala
+++ b/shared/src/main/scala-2.13-/scala/xml/ScalaVersionSpecific.scala
@@ -1,3 +1,15 @@
+/*
+ * Scala (https://www.scala-lang.org)
+ *
+ * Copyright EPFL and Lightbend, Inc.
+ *
+ * Licensed under Apache License 2.0
+ * (http://www.apache.org/licenses/LICENSE-2.0).
+ *
+ * See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ */
+
 package scala.xml
 
 import scala.collection.SeqLike