diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index e2080e98..8d04a853
--- a/pom.xml
+++ b/pom.xml
@@ -222,7 +222,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.8.1</version>
+                    <version>3.11.0</version>
                     <inherited>true</inherited>
                     <configuration>
                         <source>1.7</source>