diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 9f14115..497a4c4
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>23.6-jre</version>
+            <version>29.0-jre</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>