diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0697f6f..fd4ebdf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,15 +5,23 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - java: 17
+            scala: 3.x
+          - java: 8
+            scala: 2.12.x
     steps:
     - uses: actions/checkout@v6
     - uses: actions/setup-java@v5
       with:
         distribution: temurin
-        java-version: 8
+        java-version: "${{ matrix.java }}"
         cache: sbt
     - uses: sbt/setup-sbt@v1
-    - run: sbt +test
+    - run: sbt "++ ${{ matrix.scala }}" test
   format:
     runs-on: ubuntu-latest
     steps:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8054bf7..bea142a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-java@v5
         with:
           distribution: temurin
-          java-version: 8
+          java-version: 17
           cache: sbt
       - uses: sbt/setup-sbt@v1
       - run: sbt ci-release
diff --git a/build.sbt b/build.sbt
index 191721d..effe9b5 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,5 +1,5 @@
 lazy val scala212 = "2.12.21"
-lazy val scala3 = "3.7.3"
+lazy val scala3 = "3.8.1"
 
 inThisBuild(
   List(
@@ -30,14 +30,14 @@ lazy val plugin = project
     crossScalaVersions := Seq(scala212, scala3),
     scalacOptions ++= {
       scalaBinaryVersion.value match {
-        case "2.12" => "-Xsource:3" :: Nil
+        case "2.12" => "-Xsource:3" :: "-release:8" :: Nil
         case _      => Nil
       }
     },
     (pluginCrossBuild / sbtVersion) := {
       scalaBinaryVersion.value match {
         case "2.12" => "1.5.8"
-        case _      => "2.0.0-RC3"
+        case _      => "2.0.0-RC9"
       }
     },
     libraryDependencies += "org.scalameta" %% "munit" % "1.2.2" % Test,