diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
new file mode 100644
index 0000000..b9c21fb
--- /dev/null
+++ b/.github/workflows/build.yaml
@@ -0,0 +1,51 @@
+name: PerfIO CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        java: [ '21', '23' ]
+    runs-on: ${{matrix.os}}
+    name: Test
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Java
+      uses: actions/setup-java@v4
+      with:
+        java-version: ${{ matrix.java }}
+        distribution: 'temurin'
+        cache: 'sbt'
+    - name: Set up sbt
+      uses: sbt/setup-sbt@v1
+    - name: Set up protobuf
+      run: |
+        env
+        mkdir ~/protobuf
+        if [[ "$RUNNER_OS" = "macOS" ]]; then
+          PB_URL=https://github.com/protocolbuffers/protobuf/releases/download/v29.0-rc3/protoc-29.0-rc-3-osx-aarch_64.zip
+        else
+          PB_URL=https://github.com/protocolbuffers/protobuf/releases/download/v29.0-rc3/protoc-29.0-rc-3-linux-x86_64.zip
+        fi
+        (cd ~/protobuf && curl -Lo pb.zip $PB_URL && unzip pb.zip)
+    - name: Run tests
+      run: |
+        if [[ "${{ matrix.java }}" = "21" ]]; then
+          export JAVA_OPTS=--enable-preview
+        fi
+        sbt test bootstrapProto proto/test
diff --git a/build.sbt b/build.sbt
index b804933..a93caff 100644
--- a/build.sbt
+++ b/build.sbt
@@ -9,21 +9,29 @@ Global / version := "0.1-SNAPSHOT"
 
 //cancelable in Global := false
 
-val release = "22"
+val javaVersion = sys.props("java.specification.version").toInt
+val release = if(javaVersion >= 22) 22 else javaVersion
 
 val runtimeOpts = Seq(
   "--add-modules", "jdk.incubator.vector",
   "--add-opens", "java.base/jdk.internal.misc=ALL-UNNAMED",
   "--add-opens", "java.base/java.lang=ALL-UNNAMED",
-)
+) ++ (if(release >= 22) Nil else Seq(
+  "--enable-preview",
+))
+
 val compileOpts = Seq(
   "--add-modules", "jdk.incubator.vector",
-  "--release", release,
-)
+) ++ (if(release >= 22) Seq(
+  "--release", release.toString,
+) else Seq(
+  "--release", javaVersion.toString,
+  "--enable-preview",
+))
 
 javaOptions in Global ++= runtimeOpts
 javacOptions in Global ++= compileOpts
-scalacOptions in Global ++= Seq("-java-output-version", release)
+scalacOptions in Global ++= Seq("-java-output-version", release.toString)
 
 // javaOptions in Global += "-Djmh.blackhole.autoDetect=false"
 
diff --git a/test/src/test/scala/perfio/AbstractLineTokenizerSpec.scala b/test/src/test/scala/perfio/AbstractLineTokenizerSpec.scala
index 3a6123d..bc2f73d 100644
--- a/test/src/test/scala/perfio/AbstractLineTokenizerSpec.scala
+++ b/test/src/test/scala/perfio/AbstractLineTokenizerSpec.scala
@@ -82,11 +82,11 @@ abstract class SimpleLineTokenizerSpec[T] extends AbstractLineTokenizerSpec[T]:
 
 object HeapScalarLineTokenizerSpec extends SimpleLineTokenizerSpec[Int]:
   val base: List[(String, Int, Int, Int, Int)] = List(
-    ("small.aligned", 64, 64, 4096, 2000),
-    ("large.aligned", 128, 128, 64, 2000),
-    ("small.unligned", 0, 63, 4096, 2000),
-    ("large.unaligned", 65, 127, 64, 2000),
-    ("mixed", 0, 513, 128, 10000),
+    ("small.aligned", 64, 64, 4096, 200),
+    ("large.aligned", 128, 128, 64, 200),
+    ("small.unligned", 0, 63, 4096, 200),
+    ("large.unaligned", 65, 127, 64, 200),
+    ("mixed", 0, 513, 128, 1000),
   )
 
   def createBI(s: String, cs: Charset, ib: Int): BufferedInput =
@@ -96,19 +96,19 @@ object HeapScalarLineTokenizerSpec extends SimpleLineTokenizerSpec[Int]:
 
 object HeapVectorizedLineTokenizerSpec extends SimpleLineTokenizerSpec[(Int, Int)]:
   val base: List[(String, Int, Int, (Int, Int), Int)] = List(
-    ("small.aligned", 64, 64, (4096, Int.MaxValue), 2000),
-    ("large.aligned", 128, 128, (64, Int.MaxValue), 2000),
-    ("small.unaligned", 0, 63, (4096, Int.MaxValue), 2000),
-    ("large.unaligned", 65, 127, (64, Int.MaxValue), 2000),
-    ("small.aligned.limited1", 64, 64, (4096, 1), 2000),
-    ("large.aligned.limited1", 128, 128, (64, 1), 2000),
-    ("small.unaligned.limited1", 0, 63, (4096, 1), 2000),
-    ("large.unaligned.limited1", 65, 127, (64, 1), 2000),
-    ("small.aligned.limited16", 64, 64, (4096, 16), 2000),
-    ("large.aligned.limited16", 128, 128, (64, 16), 2000),
-    ("small.unaligned.limited16", 0, 63, (4096, 16), 2000),
-    ("large.unaligned.limited16", 65, 127, (64, 16), 2000),
-    ("mixed", 0, 513, (128, Int.MaxValue), 10000),
+    ("small.aligned", 64, 64, (4096, Int.MaxValue), 200),
+    ("large.aligned", 128, 128, (64, Int.MaxValue), 200),
+    ("small.unaligned", 0, 63, (4096, Int.MaxValue), 200),
+    ("large.unaligned", 65, 127, (64, Int.MaxValue), 200),
+    ("small.aligned.limited1", 64, 64, (4096, 1), 200),
+    ("large.aligned.limited1", 128, 128, (64, 1), 200),
+    ("small.unaligned.limited1", 0, 63, (4096, 1), 200),
+    ("large.unaligned.limited1", 65, 127, (64, 1), 200),
+    ("small.aligned.limited16", 64, 64, (4096, 16), 200),
+    ("large.aligned.limited16", 128, 128, (64, 16), 200),
+    ("small.unaligned.limited16", 0, 63, (4096, 16), 200),
+    ("large.unaligned.limited16", 65, 127, (64, 16), 200),
+    ("mixed", 0, 513, (128, Int.MaxValue), 1000),
   )
 
   def createBI(s: String, cs: Charset, params: (Int, Int)): BufferedInput =
@@ -119,14 +119,14 @@ object HeapVectorizedLineTokenizerSpec extends SimpleLineTokenizerSpec[(Int, Int
 
 abstract class FromArraySpec extends AbstractLineTokenizerSpec[(Int, Int)]:
   val base: List[(String, Int, Int, (Int, Int), Int)] = List(
-    ("small.aligned", 64, 64, (0, 0), 2000),
-    ("large.aligned", 128, 128, (0, 0), 2000),
-    ("small.unligned", 0, 63, (0, 0), 2000),
-    ("large.unaligned", 65, 127, (0, 0), 2000),
-    ("padRight", 0, 65, (0, 33), 2000),
-    ("padLeft", 0, 65, (33, 0), 2000),
-    ("padBoth", 0, 65, (33, 33), 2000),
-    ("mixed", 0, 513, (0, 0), 2000),
+    ("small.aligned", 64, 64, (0, 0), 200),
+    ("large.aligned", 128, 128, (0, 0), 200),
+    ("small.unligned", 0, 63, (0, 0), 200),
+    ("large.unaligned", 65, 127, (0, 0), 200),
+    ("padRight", 0, 65, (0, 33), 200),
+    ("padLeft", 0, 65, (33, 0), 200),
+    ("padBoth", 0, 65, (33, 33), 200),
+    ("mixed", 0, 513, (0, 0), 200),
   )
 
   def createProp(min: Int, max: Int, cs: Charset, split: Boolean, params: (Int, Int)): Property =
@@ -150,11 +150,11 @@ abstract class FromArraySpec extends AbstractLineTokenizerSpec[(Int, Int)]:
 
 abstract class ForeignSpec extends FromArraySpec:
   override val base: List[(String, Int, Int, (Int, Int), Int)] = List(
-    ("small.aligned", 64, 64, (0, 0), 2000),
-    ("large.aligned", 128, 128, (0, 0), 2000),
-    ("small.unligned", 0, 63, (0, 0), 2000),
-    ("large.unaligned", 65, 127, (0, 0), 2000),
-    ("mixed", 0, 513, (0, 0), 10000),
+    ("small.aligned", 64, 64, (0, 0), 200),
+    ("large.aligned", 128, 128, (0, 0), 200),
+    ("small.unligned", 0, 63, (0, 0), 200),
+    ("large.unaligned", 65, 127, (0, 0), 200),
+    ("mixed", 0, 513, (0, 0), 1000),
   )