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..08ec4b8a
--- a/spring-boot-master/spring-boot-project/spring-boot-dependencies/pom.xml
+++ b/spring-boot-master/spring-boot-project/spring-boot-dependencies/pom.xml
@@ -123,7 +123,7 @@
 		<junit.version>4.12</junit.version>
 		<junit-jupiter.version>5.3.2</junit-jupiter.version>
 		<kafka.version>2.1.0</kafka.version>
-		<kotlin.version>1.2.71</kotlin.version>
+		<kotlin.version>1.6.0</kotlin.version>
 		<lettuce.version>5.1.3.RELEASE</lettuce.version>
 		<liquibase.version>3.6.2</liquibase.version>
 		<log4j2.version>2.11.1</log4j2.version>