diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4513479..d040fac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
+0.0.4 (2018-11-06)
+==================
+
+* [Experimental] Implement `ecs_task.embulk>` operator.
+* [Enhancement] Write README for scripting operators.
+* [Enhancement] Make family name more configuable for scripting operators.
+
 0.0.3 (2018-10-30)
-======================
+==================
 
 * [Breaking Change] Do not use enum parameter directory because the enums require upper camel case ( `ecs_task.{py,register,run}>` operator)
 * [Enhancement] Rename the configuration key: `additional_containers` to `sidecars` ( `ecs_task.py>` operator)
@@ -16,7 +23,7 @@
 0.0.2 (2018-10-29)
 ==================
 
-* [Experimental] Implement ecs_task.py> operator. (No document yet)
+* [Experimental] Implement `ecs_task.py>` operator. (No document yet)
 * [Fix] Stop correctly after task run to shutdown TransferManager after processing.
 
 0.0.1 (2018-10-23)
diff --git a/README.md b/README.md
index 23c5a45..1703630 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ _export:
     repositories:
       - https://jitpack.io
     dependencies:
-      - pro.civitaspo:digdag-operator-ecs_task:0.0.3
+      - pro.civitaspo:digdag-operator-ecs_task:0.0.4
   ecs_task:
     auth_method: profile
 
diff --git a/build.gradle b/build.gradle
index 17f1010..d2be61f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ plugins {
 }
 
 group = 'pro.civitaspo'
-version = '0.0.3'
+version = '0.0.4'
 
 def digdagVersion = '0.9.31'
 def scalaSemanticVersion = "2.12.6"
diff --git a/example/example.dig b/example/example.dig
index 73fb51e..ee50a41 100644
--- a/example/example.dig
+++ b/example/example.dig
@@ -4,7 +4,7 @@ _export:
       - file://${repos}
       # - https://jitpack.io
     dependencies:
-      - pro.civitaspo:digdag-operator-ecs_task:0.0.3
+      - pro.civitaspo:digdag-operator-ecs_task:0.0.4
   ecs_task:
     auth_method: profile
 
diff --git a/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/command/EcsTaskCommandRunner.scala b/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/command/EcsTaskCommandRunner.scala
index 8fe721b..a08369b 100644
--- a/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/command/EcsTaskCommandRunner.scala
+++ b/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/command/EcsTaskCommandRunner.scala
@@ -9,7 +9,14 @@ import pro.civitaspo.digdag.plugin.ecs_task.aws.AwsConf
 
 import scala.collection.JavaConverters._
 
-case class EcsTaskCommandRunner(scriptsLocationPrefix: AmazonS3URI, script: String, params: Config, environments: Map[String, String], awsConf: AwsConf, logger: Logger) {
+case class EcsTaskCommandRunner(
+  scriptsLocationPrefix: AmazonS3URI,
+  script: String,
+  params: Config,
+  environments: Map[String, String],
+  awsConf: AwsConf,
+  logger: Logger
+) {
 
   val cf: ConfigFactory = params.getFactory
 
@@ -183,7 +190,7 @@ case class EcsTaskCommandRunner(scriptsLocationPrefix: AmazonS3URI, script: Stri
     c.setOptional("disable_networking", disableNetworking)
     c.set("dns_search_domains", dnsSearchDomains.asJava)
     c.set("dns_servers", dnsServers.asJava)
-    val additionalLabels: Map[String, String] = Map("pro.civitaspo.digdag.plugin.ecs_task.version" -> "0.0.3")
+    val additionalLabels: Map[String, String] = Map("pro.civitaspo.digdag.plugin.ecs_task.version" -> "0.0.4")
     c.set("docker_labels", (dockerLabels ++ additionalLabels).asJava)
     c.set("entry_point", entryPoint.asJava)
     c.set("environment", (configEnvironment ++ environments).asJava)
diff --git a/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/embulk/EcsTaskEmbulkOperator.scala b/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/embulk/EcsTaskEmbulkOperator.scala
index cab1f80..1910c47 100644
--- a/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/embulk/EcsTaskEmbulkOperator.scala
+++ b/src/main/scala/pro/civitaspo/digdag/plugin/ecs_task/embulk/EcsTaskEmbulkOperator.scala
@@ -55,7 +55,8 @@ class EcsTaskEmbulkOperator(operatorName: String, context: OperatorContext, syst
   override def additionalEnvironments(): Map[String, String] = {
     val vars = context.getPrivilegedVariables
     val builder = Map.newBuilder[String, String]
-    vars.getKeys.asScala.foreach { k => builder += (k -> vars.get(k))
+    vars.getKeys.asScala.foreach { k =>
+      builder += (k -> vars.get(k))
     }
     builder.result()
   }
@@ -118,7 +119,8 @@ class EcsTaskEmbulkOperator(operatorName: String, context: OperatorContext, syst
 
   protected def writeFile(file: Path, content: String): Unit = {
     logger.info(s"Write into ${file.toString}")
-    TryWithResource(workspace.newBufferedWriter(file.toString, UTF_8)) { writer => writer.write(content)
+    TryWithResource(workspace.newBufferedWriter(file.toString, UTF_8)) { writer =>
+      writer.write(content)
     }
   }
 }