diff --git a/verigraph/pom.xml b/verigraph/pom.xml
old mode 100755
new mode 100644
index 9684667f..a4d73b40
--- a/verigraph/pom.xml
+++ b/verigraph/pom.xml
@@ -211,7 +211,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.0.2</version>
+            <version>3.16.1</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>