diff --git a/pom.xml b/pom.xml
index e704507..65861e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <metrics.version>4.0.2</metrics.version>
     <tdunning.tdigest.version>3.2</tdunning.tdigest.version>
-    <com.google.protobuf.version>3.16.1</com.google.protobuf.version>
+    <com.google.protobuf.version>3.16.3</com.google.protobuf.version>
   </properties>
 
   <dependencyManagement>