diff --git a/Dockerfile b/Dockerfile
index 503b21c..99b75c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM jenkins/inbound-agent:alpine as jnlp
+FROM jenkins/inbound-agent:alpine-jdk21 as jnlp
 
 FROM ubuntu:22.04
 
@@ -42,4 +42,4 @@ RUN echo -n "y" | android/cmdline-tools/bin/sdkmanager --install "platform-tools
     yes | flutter doctor --android-licenses
 USER root
 
-ENTRYPOINT ["/usr/local/bin/jenkins-agent"]
\ No newline at end of file
+ENTRYPOINT ["/usr/local/bin/jenkins-agent"]