java image is deprecated, use openjdk
diff --git a/Dockerfile b/Dockerfile
index 3ff1c1a..b00a77a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM java:8-jdk
+FROM openjdk:8-jdk
 
 RUN apt-get update && apt-get install -y git curl zip && rm -rf /var/lib/apt/lists/*