diff --git a/splice_protocol/pom.xml b/splice_protocol/pom.xml
index 9235b5ca9ff..3279f1a51e3 100644
--- a/splice_protocol/pom.xml
+++ b/splice_protocol/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>2.5.0</version>
+            <version>3.16.1</version>
         </dependency>
     </dependencies>
     <build>