diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bfed12416..4f2c16728 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         scala: [2.13.10]
-        jvm: [8, 11]
+        jvm: [8, 11, 21]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
diff --git a/build.sbt b/build.sbt
index 57040578a..27884f41a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -89,4 +89,4 @@ libraryDependencies ++= Seq(
   }
 }
 
-javacOptions ++= Seq("-source", "20", "-target", "20")
\ No newline at end of file
+javacOptions ++= Seq("-source", "21", "-target", "21")
\ No newline at end of file