diff --git a/appveyor.yml b/appveyor.yml
index 44afe8e..895320a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,7 +11,7 @@ shallow_clone: true
 environment:
   matrix:
     - appveyor_build_worker_image: Visual Studio 2022
-      JAVA_HOME: C:\Program Files\Java\jdk17
+      JAVA_HOME: C:\Program Files\Java\jdk21
 init:
   - cmd: SET PATH=%JAVA_HOME%\bin;%PATH%
 install: