diff --git a/molten-dependencies/pom.xml b/molten-dependencies/pom.xml
index 123aa7ed..f1a26177 100644
--- a/molten-dependencies/pom.xml
+++ b/molten-dependencies/pom.xml
@@ -31,7 +31,7 @@
     <vertx.version>3.9.4</vertx.version>
     <netty.version>4.1.59.Final</netty.version>
     <reactor-netty.version>1.0.5</reactor-netty.version>
-    <protobuf.version>3.0.0</protobuf.version>
+    <protobuf.version>3.15.6</protobuf.version>
     <retrofit.version>2.9.0</retrofit.version>
     <okhttp.version>4.9.1</okhttp.version>
   </properties>