diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 59cb75d..cad474a
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
 
     <properties>
         <java.version>1.8</java.version>
-        <spring.boot.version>2.6.5</spring.boot.version>
+        <spring.boot.version>2.6.15</spring.boot.version>
     </properties>
 
     <dependencies>