diff --git a/docker/Dockerfile b/docker/Dockerfile
index 76886433a0..1bc3340f0b 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:11-alpine as baseequella
+FROM eclipse-temurin:21-alpine as baseequella
 
 # Install needed tools to install and run openEQUELLA, clean up the apt cache afterwards.