diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 0fe1be7..4a8dc80
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
       <dependency>
           <groupId>com.google.protobuf</groupId>
           <artifactId>protobuf-java</artifactId>
-          <version>3.18.0</version>
+          <version>3.19.6</version>
       </dependency>
 
     <dependency>