diff --git a/protobuf/build.gradle b/protobuf/build.gradle
index 7ad762f..8fb978f 100644
--- a/protobuf/build.gradle
+++ b/protobuf/build.gradle
@@ -7,6 +7,11 @@ plugins {
 java {
     sourceCompatibility = JavaVersion.VERSION_11
     targetCompatibility = JavaVersion.VERSION_11
+    withJavadocJar()
+}
+
+javadoc {
+    failOnError = false
 }
 
 apply plugin: 'com.google.protobuf'