diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index b8fcf2c..8b0e260
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<avro.version>1.7.4</avro.version>
 		<!-- <spark.version>0.9.9.7-SNAPSHOT</spark.version> -->
-		<spark.version>1.1</spark.version>
+		<spark.version>2.7.2</spark.version>
 	</properties>
 
 	<build>