diff --git a/playbook.yaml b/playbook.yaml
index bc90704..3686677 100644
--- a/playbook.yaml
+++ b/playbook.yaml
@@ -177,13 +177,13 @@
   - install_doctools
 
   vars:
-    jdk_version: 2:1.11-72
+    jdk_version: 2:1.21-75
     graphviz_version_expected: "dot - graphviz version 2.50.0 (20211204.2007)"
 
   tasks:
   - name: Install JDK
     apt:
-      name: "default-jdk={{ jdk_version }}"
+      name: "default-jdk={{ jdk_version }}+exp1"
       update_cache: yes
   - name: Get JDK Version
     shell: java --version | grep -m 1 -i openjdk