diff --git a/.gitignore b/.gitignore
index 30b1e12bf1b03b7a0b9f52ef0eecac17005fd24a..20095dd97343e2480f2c594362c791faad0e588c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,6 +55,7 @@ dev/create-release/*final
 spark-*-bin-*.tgz
 unit-tests.log
 /lib/
+ec2/lib/
 rat-results.txt
 scalastyle.txt
 scalastyle-output.xml