diff --git a/parent/pom.xml b/parent/pom.xml
old mode 100755
new mode 100644
index 803a1da..d8fa93d
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -259,7 +259,7 @@ application while protecting against XSS.
       <dependency>
         <groupId>com.google.protobuf</groupId>
         <artifactId>protobuf-java</artifactId>
-        <version>3.9.1</version>
+        <version>3.16.1</version>
         <scope>provided</scope>
       </dependency>
       <dependency>