diff --git a/pyspark-notebook/Dockerfile b/pyspark-notebook/Dockerfile
index 561c8887..40d9df64 100644
--- a/pyspark-notebook/Dockerfile
+++ b/pyspark-notebook/Dockerfile
@@ -15,7 +15,7 @@ RUN apt-get -y update && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 RUN cd /tmp && \
-        wget -q https://www.apache.org/dist/spark/spark-${APACHE_SPARK_VERSION}/spark-${APACHE_SPARK_VERSION}-bin-hadoop${HADOOP_VERSION}.tgz && \
+        wget -q http://apache.claz.org/spark/spark-${APACHE_SPARK_VERSION}/spark-${APACHE_SPARK_VERSION}-bin-hadoop${HADOOP_VERSION}.tgz && \
         echo "258683885383480BA01485D6C6F7DC7CFD559C1584D6CEB7A3BBCF484287F7F57272278568F16227BE46B4F92591768BA3D164420D87014A136BF66280508B46 *spark    -${APACHE_SPARK_VERSION}-bin-hadoop${HADOOP_VERSION}.tgz" | sha512sum -c - && \
         tar xzf spark-${APACHE_SPARK_VERSION}-bin-hadoop${HADOOP_VERSION}.tgz -C /usr/local && \
         rm spark-${APACHE_SPARK_VERSION}-bin-hadoop${HADOOP_VERSION}.tgz
@@ -34,7 +34,7 @@ RUN . /etc/os-release && \
 
 # Spark and Mesos config
 ENV SPARK_HOME /usr/local/spark
-ENV PYTHONPATH $SPARK_HOME/python:$SPARK_HOME/python/lib/py4j-0.10.4-src.zip
+ENV PYTHONPATH $SPARK_HOME/python:$SPARK_HOME/python/lib/py4j-0.10.6-src.zip
 ENV MESOS_NATIVE_LIBRARY /usr/local/lib/libmesos.so
 ENV SPARK_OPTS --driver-java-options=-Xms1024M --driver-java-options=-Xmx4096M --driver-java-options=-Dlog4j.logLevel=info