diff --git a/Dockerfile b/Dockerfile
index 2ac723f..4f4635a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,16 +2,20 @@ FROM wurstmeister/base
 
 MAINTAINER Wurstmeister
 
-ENV ZOOKEEPER_VERSION 3.4.13
+ENV ZOOKEEPER_VERSION 3.4.14
 
 #Download Zookeeper
-RUN wget -q http://mirror.vorboss.net/apache/zookeeper/zookeeper-${ZOOKEEPER_VERSION}/zookeeper-${ZOOKEEPER_VERSION}.tar.gz && \
-wget -q https://www.apache.org/dist/zookeeper/KEYS && \
-wget -q https://www.apache.org/dist/zookeeper/zookeeper-${ZOOKEEPER_VERSION}/zookeeper-${ZOOKEEPER_VERSION}.tar.gz.asc && \
-wget -q https://www.apache.org/dist/zookeeper/zookeeper-${ZOOKEEPER_VERSION}/zookeeper-${ZOOKEEPER_VERSION}.tar.gz.md5
+RUN curl --show-error --location --remote-name \
+    https://downloads.apache.org/zookeeper/zookeeper-${ZOOKEEPER_VERSION}/zookeeper-${ZOOKEEPER_VERSION}.tar.gz
+RUN curl --show-error --location --remote-name \
+    https://www.apache.org/dist/zookeeper/KEYS
+RUN curl --show-error --location --remote-name \
+    https://www.apache.org/dist/zookeeper/zookeeper-${ZOOKEEPER_VERSION}/zookeeper-${ZOOKEEPER_VERSION}.tar.gz.asc
+RUN curl --show-error --location --remote-name \
+    https://www.apache.org/dist/zookeeper/zookeeper-${ZOOKEEPER_VERSION}/zookeeper-${ZOOKEEPER_VERSION}.tar.gz.sha512
 
 #Verify download
-RUN md5sum -c zookeeper-${ZOOKEEPER_VERSION}.tar.gz.md5 && \
+RUN sha512sum -c zookeeper-${ZOOKEEPER_VERSION}.tar.gz.sha512 && \
 gpg --import KEYS && \
 gpg --verify zookeeper-${ZOOKEEPER_VERSION}.tar.gz.asc