diff --git a/bookstore-frontend/pom.xml b/bookstore-frontend/pom.xml
old mode 100755
new mode 100644
index 701d4e5..3c5744c
--- a/bookstore-frontend/pom.xml
+++ b/bookstore-frontend/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
           <groupId>com.google.guava</groupId>
           <artifactId>guava</artifactId>
-          <version>28.2-jre</version>
+          <version>29.0-jre</version>
         </dependency>
         <dependency>
           <groupId>com.google.code.gson</groupId>