diff --git a/.github/workflows/update_libgui.yml b/.github/workflows/update_libgui.yml
index a9d88a4..839339d 100644
--- a/.github/workflows/update_libgui.yml
+++ b/.github/workflows/update_libgui.yml
@@ -29,7 +29,7 @@ jobs:
         with:
           # Minecraft uses the Microsoft JDK builds
           distribution: 'microsoft'
-          java-version: '17'
+          java-version: '21'
       - name: Build LibGui documentation
         run: |
           cd libgui