diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 4cd098b..e2180d1
--- a/pom.xml
+++ b/pom.xml
@@ -84,7 +84,7 @@
     <dependency> 
       <groupId>com.google.guava</groupId>  
       <artifactId>guava</artifactId>  
-      <version>27.0.1-jre</version> 
+      <version>29.0-jre</version> 
     </dependency>  
     <dependency> 
       <groupId>com.google.flatbuffers</groupId>