diff --git a/spring-boot-master/spring-boot-project/spring-boot-dependencies/pom.xml b/spring-boot-master/spring-boot-project/spring-boot-dependencies/pom.xml
old mode 100755
new mode 100644
index 0b73a341..4aeedf2e
--- a/spring-boot-master/spring-boot-project/spring-boot-dependencies/pom.xml
+++ b/spring-boot-master/spring-boot-project/spring-boot-dependencies/pom.xml
@@ -187,7 +187,7 @@
 		<thymeleaf-layout-dialect.version>2.3.0</thymeleaf-layout-dialect.version>
 		<thymeleaf-extras-data-attribute.version>2.0.1</thymeleaf-extras-data-attribute.version>
 		<thymeleaf-extras-java8time.version>3.0.2.RELEASE</thymeleaf-extras-java8time.version>
-		<tomcat.version>9.0.14</tomcat.version>
+		<tomcat.version>9.0.41</tomcat.version>
 		<unboundid-ldapsdk.version>4.0.9</unboundid-ldapsdk.version>
 		<undertow.version>2.0.16.Final</undertow.version>
 		<webjars-hal-browser.version>3325375</webjars-hal-browser.version>