diff --git a/Dockerfile b/Dockerfile
index 5cef9ae..e6aa878 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,11 @@
 # pull official base image
 FROM python:3.10-bookworm as BUILDER
 
+# install JDK 17
+ENV JAVA_HOME=/opt/java/openjdk
+COPY --from=eclipse-temurin:17-jre $JAVA_HOME $JAVA_HOME
+ENV PATH="${JAVA_HOME}/bin:${PATH}"
+
 # install Ookla's speedtest
 RUN apt update && \
     apt install -y speedtest-cli