diff --git a/Dockerfile b/Dockerfile
index 6d93eeefe8d..7c85782a51a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,9 +14,10 @@
 # limitations under the License.
 
 FROM apache/hadoop-runner
-ARG HADOOP_URL=https://www.apache.org/dyn/mirrors/mirrors.cgi?action=download&filename=hadoop/common/hadoop-3.3.0/hadoop-3.3.0.tar.gz
+ARG HADOOP_URL=https://dlcdn.apache.org/hadoop/common/hadoop-3.3.1/hadoop-3.3.1.tar.gz
 WORKDIR /opt
-RUN sudo rm -rf /opt/hadoop && wget $HADOOP_URL -O hadoop.tar.gz && tar zxf hadoop.tar.gz && rm hadoop.tar.gz && mv hadoop* hadoop && rm -rf /opt/hadoop/share/doc
+RUN sudo rm -rf /opt/hadoop && curl -LSs -o hadoop.tar.gz $HADOOP_URL && tar zxf hadoop.tar.gz && rm hadoop.tar.gz && mv hadoop* hadoop && rm -rf /opt/hadoop/share/doc
 WORKDIR /opt/hadoop
 ADD log4j.properties /opt/hadoop/etc/hadoop/log4j.properties
 RUN sudo chown -R hadoop:users /opt/hadoop/etc/hadoop/*
+ENV HADOOP_CONF_DIR /opt/hadoop/etc/hadoop
diff --git a/build.sh b/build.sh
index ec0798567b9..54183648698 100755
--- a/build.sh
+++ b/build.sh
@@ -18,7 +18,7 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 set -e
 mkdir -p build
 if [ ! -d "$DIR/build/apache-rat-0.13" ]; then
-   wget "https://www.apache.org/dyn/mirrors/mirrors.cgi?action=download&filename=creadur/apache-rat-0.13/apache-rat-0.13-bin.tar.gz" -O "$DIR/build/apache-rat.tar.gz"
+	curl -LSs https://dlcdn.apache.org/creadur/apache-rat-0.13/apache-rat-0.13-bin.tar.gz -o "$DIR/build/apache-rat.tar.gz"
 	cd $DIR/build
 	tar zvxf apache-rat.tar.gz
 	cd -