diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 7347338..9c0c763
--- a/pom.xml
+++ b/pom.xml
@@ -41,7 +41,7 @@
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
-            <version>2.2.8</version>
+            <version>2.7.1</version>
         </dependency>
         <dependency>
             <groupId>postgresql</groupId>