diff --git a/backend/book-match/pom.xml b/backend/book-match/pom.xml
old mode 100755
new mode 100644
index bab6380..8f98571
--- a/backend/book-match/pom.xml
+++ b/backend/book-match/pom.xml
@@ -9,7 +9,7 @@
 
 	<properties>
 		<java.version>1.6</java.version>
-		<spring.version>3.1.0.RELEASE</spring.version>
+		<spring.version>5.2.23.RELEASE</spring.version>
 		<hibernate.version>4.0.1.Final</hibernate.version>
 	</properties>