From ed021b2b03b7fd4dc3ac1b94e6456bc18332f8d5 Mon Sep 17 00:00:00 2001
From: philippus <philippus@gmail.com>
Date: Fri, 23 Aug 2024 17:04:16 -0500
Subject: [PATCH] Add java 21 to build matrix

---
 .github/workflows/ci.yml | 10 +++++++++-
 build.sbt                |  2 +-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1a70b65..6cfb292 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         scala: [2.12.19]
-        java: [temurin@8, temurin@11, temurin@17]
+        java: [temurin@8, temurin@11, temurin@17, temurin@21]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
@@ -55,6 +55,14 @@ jobs:
           java-version: 17
           cache: sbt
 
+      - name: Setup Java (temurin@21)
+        if: matrix.java == 'temurin@21'
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+          cache: sbt
+
       - name: Setup sbt
         uses: sbt/setup-sbt@v1
 
diff --git a/build.sbt b/build.sbt
index 202e92a..252a957 100644
--- a/build.sbt
+++ b/build.sbt
@@ -14,7 +14,7 @@ lazy val root = project
     crossScalaVersions := scalaVersions
   )
 
-ThisBuild / githubWorkflowJavaVersions := Seq("8", "11", "17").map(JavaSpec.temurin)
+ThisBuild / githubWorkflowJavaVersions := Seq("8", "11", "17", "21").map(JavaSpec.temurin)
 ThisBuild / githubWorkflowScalaVersions := scalaVersions
 ThisBuild / githubWorkflowBuildPostamble := Seq(
   // This runs the template with the default parameters, and runs test within the templated app.