diff --git a/hush/pom.xml b/hush/pom.xml
index a5bdc20..6a5e74a 100644
--- a/hush/pom.xml
+++ b/hush/pom.xml
@@ -898,7 +898,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>2.6.1</version>
+      <version>3.16.1</version>
     </dependency>
     <dependency>
       <groupId>com.google.code.findbugs</groupId>