diff --git a/java/OpenNERO/pom.xml b/java/OpenNERO/pom.xml
index e7edf0a3..cb28578b 100644
--- a/java/OpenNERO/pom.xml
+++ b/java/OpenNERO/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>2.4.1</version>
+      <version>3.16.1</version>
     </dependency>
     <dependency>
       <groupId>org.jfree</groupId>