diff --git a/Dockerfile b/Dockerfile
index 03093c3..8ddbda8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@ ENV PORT=80
 
 # Install Python
 RUN apt-get update \
-    && apt-get install -y python3-minimal maven tini netcat-traditional \
+    && apt-get install -y python3-minimal openjdk-17-jre-headless tini netcat-traditional \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy playground sources