diff --git a/Chapter04/.gitattributes b/Chapter04/.gitattributes
new file mode 100644
index 0000000..3606a43
--- /dev/null
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+*.tgz filter=lfs diff=lfs merge=lfs -text
diff --git a/Chapter04/spark-2.4.5-bin-hadoop2.7.tgz b/Chapter04/spark-2.4.5-bin-hadoop2.7.tgz
new file mode 100644
index 0000000..2f71bdd
--- /dev/null
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