diff --git a/Makefile b/Makefile
index b1d8aeb..079740f 100644
--- a/Makefile
+++ b/Makefile
@@ -28,8 +28,8 @@ checkperm:
 c: HelloWorld.c /usr/bin/gcc
 	gcc -o HelloWorld HelloWorld.c
 
-java: HelloWorld.java /usr/lib/jvm/java-18-openjdk/bin/javac /usr/lib/jvm/java-18-openjdk/bin/java
-	/usr/lib/jvm/java-18-openjdk/bin/javac HelloWorld.java
+java: HelloWorld.java /usr/lib/jvm/java-19-openjdk/bin/javac /usr/lib/jvm/java-19-openjdk/bin/java
+	/usr/lib/jvm/java-19-openjdk/bin/javac HelloWorld.java
 
 bash: HelloWorld.bash /usr/bin/bash
 	#bash HelloWorld.bash
diff --git a/tests/test_unit.py b/tests/test_unit.py
index f0fe949..e101ee5 100644
--- a/tests/test_unit.py
+++ b/tests/test_unit.py
@@ -28,7 +28,7 @@ def test_cs():
 
 def test_java():
     print(os.getcwd())
-    fh = os.popen("/usr/lib/jvm/java-18-openjdk/bin/java HelloWorld", mode='r', buffering=-1)
+    fh = os.popen("/usr/lib/jvm/java-19-openjdk/bin/java HelloWorld", mode='r', buffering=-1)
     output = fh.read()
     retcode = fh.close()
     assert retcode == None and CheckOutput(output)