diff --git a/testing/jcstress-tests/pom.xml b/testing/jcstress-tests/pom.xml
index 61a30d2d..bdbd35de 100644
--- a/testing/jcstress-tests/pom.xml
+++ b/testing/jcstress-tests/pom.xml
@@ -68,7 +68,7 @@ THE POSSIBILITY OF SUCH DAMAGE.
         <!--
             Java source/target to use for compilation.
           -->
-        <javac.target>1.8</javac.target>
+        <javac.target>21</javac.target>
 
         <!--
             Name of the test Uber-JAR to generate.