diff --git a/sentinel-adapter/sentinel-dubbo-adapter/pom.xml b/sentinel-adapter/sentinel-dubbo-adapter/pom.xml
old mode 100755
new mode 100644
index 76609a9f..d2228d1a
--- a/sentinel-adapter/sentinel-dubbo-adapter/pom.xml
+++ b/sentinel-adapter/sentinel-dubbo-adapter/pom.xml
@@ -13,7 +13,7 @@
     <packaging>jar</packaging>
 
     <properties>
-        <dubbo.version>2.6.6</dubbo.version>
+        <dubbo.version>2.6.9</dubbo.version>
     </properties>
 
     <dependencies>