diff --git a/.travis.yml b/.travis.yml
index ac074334..2b7b094c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ language: scala
 scala:
   - 2.11.12
   - 2.12.8
-  - 2.13.0-RC1
+  - 2.13.0-RC3
 jdk:
   - oraclejdk8
   - openjdk11
@@ -18,8 +18,8 @@ env:
     - secure: "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"
   matrix:
     - SCALAJS_VERSION=
-    - SCALAJS_VERSION=0.6.27
-    - SCALAJS_VERSION=1.0.0-M7
+    - SCALAJS_VERSION=0.6.28
+    - SCALAJS_VERSION=1.0.0-M8
 
 matrix:
 
diff --git a/README.md b/README.md
index 4dd2eedd..69a7e6b0 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ To use this library, add the following to your build.sbt:
 libraryDependencies += "org.scala-lang.modules" %% "scala-collection-compat" % "2.0.0"
 ```
 
-Version 2.0.0 is compatible with Scala 2.13.0-RC2, 2.12 and 2.11.
+Version 2.0.0 is compatible with Scala 2.13, 2.12, and 2.11.
 
 Note that there are multiple ways to cross-build projects, see https://github.com/scala/collection-strawman/wiki/FAQ#how-do-i-cross-build-my-project-against-scala-212-and-scala-213.
 
diff --git a/build.sbt b/build.sbt
index 9fbfa872..b5cdd3cb 100644
--- a/build.sbt
+++ b/build.sbt
@@ -45,7 +45,7 @@ lazy val junit = libraryDependencies += "com.novocode" % "junit-interface" % "0.
 
 lazy val scala211 = "2.11.12"
 lazy val scala212 = "2.12.8"
-lazy val scala213 = "2.13.0-RC2"
+lazy val scala213 = "2.13.0-RC3"
 
 scalaVersionsByJvm in ThisBuild := {
   val all = List(scala211, scala212, scala213)
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 244a1baa..983c7f0b 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
-val scalaJSVersion = Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("0.6.27")
+val scalaJSVersion = Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("0.6.28")
 
 addSbtPlugin("org.scala-js"           % "sbt-scalajs"              % scalaJSVersion)
 addSbtPlugin("org.portable-scala"     % "sbt-scalajs-crossproject" % "0.6.0")