diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index dc4b0be3..72a19edb
--- a/pom.xml
+++ b/pom.xml
@@ -135,7 +135,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>3.6.1</version>
+      <version>3.16.1</version>
     </dependency>
     <dependency>
       <groupId>org.ow2.asm</groupId>