diff --git a/backend/book-match/pom.xml b/backend/book-match/pom.xml
old mode 100755
new mode 100644
index bab6380..78739a7
--- a/backend/book-match/pom.xml
+++ b/backend/book-match/pom.xml
@@ -28,7 +28,7 @@
 		<dependency>
 			<groupId>org.hsqldb</groupId>
 			<artifactId>hsqldb</artifactId>
-			<version>2.2.8</version>
+			<version>2.7.1</version>
 		</dependency>
 
 		<dependency>