diff --git a/RELEASING.md b/RELEASING.md
index f92dd508..a6cdf9ff 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -41,7 +41,7 @@ See the [prerequisites](#prerequisites) if this is your first release.
 [repo1/list]: https://repo1.maven.org/maven2/com/typesafe/mima-core_2.12/0.5.0/
 [sonatype/guide]: https://central.sonatype.org/pages/releasing-the-deployment.html
 [sonatype/staging-repos]: https://oss.sonatype.org/#stagingRepositories
-[travis-ci]: https://travis-ci.org/lightbend/mima
+[travis-ci]: https://travis-ci.com/github/lightbend/mima
 
 You are done!
 
diff --git a/build.sbt b/build.sbt
index 073172fd..eda032f1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -25,13 +25,13 @@ commands += Command.command("testStaging") { state =>
   prep ::: "mimaReportBinaryIssues" :: state
 }
 
-val supportedScalaVersions = Seq("2.12.13", "2.13.5")
+val scala213 = "2.13.5"
 
 val root = project.in(file(".")).settings(
   name := "mima",
   crossScalaVersions := Nil,
   mimaFailOnNoPrevious := false,
-  skip in publish := true,
+  publish / skip := true,
 )
 aggregateProjects(core, sbtplugin, functionalTests)
 
@@ -40,7 +40,7 @@ val scalaCollectionCompat = "org.scala-lang.modules" %% "scala-collection-compat
 
 val core = project.settings(
   name := "mima-core",
-  crossScalaVersions := supportedScalaVersions,
+  crossScalaVersions += scala213,
   libraryDependencies += scalaCollectionCompat,
   libraryDependencies += munit % Test,
   testFrameworks += new TestFramework("munit.Framework"),
@@ -72,7 +72,7 @@ val functionalTests = Project("functional-tests", file("functional-tests"))
   .dependsOn(core)
   .configs(IntegrationTest)
   .settings(
-    crossScalaVersions := supportedScalaVersions,
+    crossScalaVersions += scala213,
     libraryDependencies += "com.typesafe" % "config" % "1.4.1",
     libraryDependencies += "io.get-coursier" %% "coursier" % "2.0.16",
     libraryDependencies += munit,
@@ -86,5 +86,5 @@ val functionalTests = Project("functional-tests", file("functional-tests"))
                Test / mainClass := Some("com.typesafe.tools.mima.lib.UnitTests"),
     IntegrationTest / mainClass := Some("com.typesafe.tools.mima.lib.IntegrationTests"),
     mimaFailOnNoPrevious := false,
-    skip in publish := true,
+    publish / skip := true,
   )
diff --git a/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala b/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala
index 41c2991f..c23495b2 100644
--- a/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala
+++ b/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala
@@ -9,9 +9,9 @@ import scala.util.{ Properties => StdLibProps }
 
 object TestCli {
   val scala211 = "2.11.12"
-  val scala212 = "2.12.12"
-  val scala213 = "2.13.4"
-  val scala3   = "3.0.0-M3"
+  val scala212 = "2.12.13"
+  val scala213 = "2.13.5"
+  val scala3   = "3.0.0-RC3"
   val hostScalaVersion = StdLibProps.scalaPropOrNone("maven.version.number").get
   val allScalaVersions = List(scala211, scala212, scala213, scala3)
   val testsDir = Directory("functional-tests/src/test")