diff --git a/pyspark-notebook/Dockerfile b/pyspark-notebook/Dockerfile
index df8d8608..09c02f24 100644
--- a/pyspark-notebook/Dockerfile
+++ b/pyspark-notebook/Dockerfile
@@ -36,7 +36,7 @@ RUN apt-key adv --keyserver keyserver.ubuntu.com --recv E56151BF && \
 
 # Spark and Mesos config
 ENV SPARK_HOME /usr/local/spark
-ENV PYTHONPATH $SPARK_HOME/python:$SPARK_HOME/python/lib/py4j-0.10.3-src.zip
+ENV PYTHONPATH $SPARK_HOME/python:$SPARK_HOME/python/lib/py4j-0.10.4-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