diff --git a/.gitpod.Dockerfile b/.gitpod.Dockerfile
index a31bbdb6..af25b985 100644
--- a/.gitpod.Dockerfile
+++ b/.gitpod.Dockerfile
@@ -3,6 +3,6 @@ FROM gitpod/workspace-full-vnc
 SHELL ["/bin/bash", "-c"]
 RUN sudo apt update && sudo apt upgrade -y && sudo apt autoremove #&& sudo apt install qt5-default -y
 RUN source "/home/gitpod/.sdkman/bin/sdkman-init.sh"  \
-    && sdk install java 17.0.7-zulu < /dev/null
+    && sdk install java 21.0.1-zulu < /dev/null
 
 RUN source /etc/lsb-release