diff --git a/README.md b/README.md
index 7c9e665..22b7157 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,13 @@ elasticsearch가 플러그인이 버전이 완전히 매칭되지 않으면 플
 git clone git@github.com:inyl/tkt_elasticsearch.git
 cd tkt_elasticsearch/
 ```
+
+pom.xml버전을 열어서 `<elasticsearch.version>`을 사용하고자 하는 elasticsearch버전으로 수정합니다.<br/>
+```xml
+<elasticsearch.version>5.3.0</elasticsearch.version>
+```
+변경후에 class파일 오류가 존재하지 않는지 확인합니다.
+
 /src/main/resources/plugin-descriptor.properties 파일을 열어서 `elasticsearch.version` 을 사용중인 elasticsearch 버전으로 변경합니다.
 
 ```
diff --git a/pom.xml b/pom.xml
index fadccaf..acd6d77 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
         <java.version>1.7</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <twitter.korean.version>4.4.4</twitter.korean.version>
-        <elasticsearch.version>5.2.2</elasticsearch.version>
+        <elasticsearch.version>5.3.0</elasticsearch.version>
     </properties>
 
     <dependencies>
@@ -53,34 +53,6 @@
                     <target>${java.version}</target>
                 </configuration>
             </plugin>
-            <!--
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-shade-plugin</artifactId>
-                <version>2.2</version>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>shade</goal>
-                        </goals>
-                    </execution>
-                </executions>
-                <configuration>
-                    <outputFile>${project.build.directory}/${project.artifactId}-with-dep-${project.version}.jar
-                    </outputFile>
-                    <minimizeJar>false</minimizeJar>
-                    <keepDependenciesWithProvidedScope>true</keepDependenciesWithProvidedScope>
-                    <artifactSet>
-                        <includes>
-                            <include>org.scala-lang:scala-library</include>
-                            <include>com.twitter.penguin:korean-text</include>
-                            <include>com.twitter:twitter-text</include>
-                        </includes>
-                    </artifactSet>
-                </configuration>
-            </plugin>
-            -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
                 <version>2.5.3</version>