diff --git a/.drone.yml b/.drone.yml
index f2f98ef..eb19efa 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -13,7 +13,7 @@ steps:
 
   # run unit tests
   - name: test
-    image: maven:3-eclipse-temurin-17
+    image: maven:3-eclipse-temurin-21
     commands:
       - mvn test --no-transfer-progress -B -V