diff --git a/pom.xml b/pom.xml
index d47bc87..0328f0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -91,7 +91,7 @@
         <typesafe-config.version>1.3.1</typesafe-config.version>
         <logback.version>1.2.3</logback.version>
         <metrics-core.version>3.0.2</metrics-core.version>
-        <protobuf.version>3.3.1</protobuf.version>
+        <protobuf.version>3.16.3</protobuf.version>
         <msgpack.version>0.8.13</msgpack.version>
         <hdrhistogram.version>1.2.1</hdrhistogram.version>
         <commons-codec.version>1.4</commons-codec.version>