diff --git a/hadoop/pom.xml b/hadoop/pom.xml
index 399e51d..a2ebc98 100644
--- a/hadoop/pom.xml
+++ b/hadoop/pom.xml
@@ -15,7 +15,7 @@
         <maven.compiler.source>1.6</maven.compiler.source>
         <maven.compiler.target>1.6</maven.compiler.target>
         <hadoop.version>2.10.1</hadoop.version>
-        <protobuf.version>3.16.1</protobuf.version>
+        <protobuf.version>3.16.3</protobuf.version>
         <junit.version>4.13.1</junit.version>
     </properties>