diff --git a/csc/2016/kai/pom.xml b/csc/2016/kai/pom.xml
index 0393be32d..a9e9456c2 100644
--- a/csc/2016/kai/pom.xml
+++ b/csc/2016/kai/pom.xml
@@ -34,7 +34,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.0.0-beta-2</version>
+            <version>3.16.1</version>
         </dependency>
 
         <dependency>