diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 3d0ab86..c95d982 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -18,7 +18,7 @@ jobs:
     uses: playframework/.github/.github/workflows/cmd.yml@v3
     with:
       java: 17, 11
-      scala: 2.13.x
+      scala: 2.13.x, 3.x
       cmd: sbt ++$MATRIX_SCALA publishLocal # Check that we can actually build and package the library
 
   finish:
diff --git a/project/OmnidocBuild.scala b/project/OmnidocBuild.scala
index 887c466..5d0af9f 100644
--- a/project/OmnidocBuild.scala
+++ b/project/OmnidocBuild.scala
@@ -23,7 +23,7 @@ object OmnidocBuild {
   val playVersion              = sys.props.getOrElse("play.version",               "2.9.0-M6")
   val scalaTestPlusPlayVersion = sys.props.getOrElse("scalatestplus-play.version", "6.0.0-M6")
   val playJsonVersion          = sys.props.getOrElse("play-json.version",          "2.10.0-RC9")
-  val playSlickVersion         = sys.props.getOrElse("play-slick.version",         "5.1.0")
+  val playSlickVersion         = sys.props.getOrElse("play-slick.version",         "5.2.0-M1")
   val maybeTwirlVersion        = sys.props.get("twirl.version")
 
   // List Play artifacts so that they can be added as dependencies
@@ -118,7 +118,7 @@ object OmnidocBuild {
   def projectSettings: Seq[Setting[_]] = Seq(
                                name := "play-omnidoc",
       ThisBuild / playBuildRepoName := "omnidoc",
-                 crossScalaVersions := Seq(ScalaVersions.scala213),
+                 crossScalaVersions := Seq(ScalaVersions.scala213, ScalaVersions.scala3),
                           resolvers ++= Resolver.sonatypeOssRepos("snapshots") ++
                                         Resolver.sonatypeOssRepos("releases"),
                         useCoursier := false, // so updatePlaydocClassifiers isn't empty
@@ -136,8 +136,6 @@ object OmnidocBuild {
     libraryDependencies ++= externalModules.map(_ % Omnidoc.name),
     libraryDependencies ++= Seq(
       playOrganisation %% "play-docs" % playVersion,
-      compilerPlugin("com.github.ghik" %% "silencer-plugin" % "1.4.2"),
-      "com.github.ghik" %% "silencer-lib" % "1.4.2" % Omnidoc.name
     )
   )