diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 9bcc9c6ec..db87321fb
--- a/pom.xml
+++ b/pom.xml
@@ -105,7 +105,7 @@
     <commons.net.version>3.6</commons.net.version>
     <commons.validator.version>1.6</commons.validator.version>
     <commons.text.version>1.6</commons.text.version>
-    <protobuf.version>3.6.1</protobuf.version>
+    <protobuf.version>3.16.3</protobuf.version>
     <codemodel.version>2.6</codemodel.version>
     <joda.version>2.10.5</joda.version>
     <javax.el.version>3.0.0</javax.el.version>