diff --git a/pom.xml b/pom.xml
index f0f677ed..bab25d38 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,8 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+	xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>yugecin</groupId>
 	<artifactId>opsu-dance</artifactId>
@@ -21,6 +24,7 @@
 				<excludes>
 					<exclude>**/Thumbs.db</exclude>
 					<exclude>**/version</exclude>
+					<exclude>**.pdn</exclude>
 				</excludes>
 			</resource>
 			<resource>
@@ -32,6 +36,33 @@
 			</resource>
 		</resources>
 		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-clean-plugin</artifactId>
+				<version>2.4.1</version>
+				<configuration>
+					<filesets>
+						<fileset>
+							<directory>${project.basedir}/mvnlibs</directory>
+							<followSymlinks>true</followSymlinks>
+						</fileset>
+					</filesets>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-dependency-plugin</artifactId>
+				<executions>
+					<execution>
+						<phase>initialize</phase>
+						<goals>
+							<goal>copy-dependencies</goal>
+						</goals>
+						<configuration>
+							<outputDirectory>${project.basedir}/mvnlibs</outputDirectory>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
@@ -211,10 +242,11 @@
 			<artifactId>lzma-java</artifactId>
 			<version>1.3</version>
 		</dependency>
-        <dependency>
-            <groupId>gov.nist.math</groupId>
-            <artifactId>jama</artifactId>
-            <version>1.0.3</version>
-        </dependency>
+		<dependency>
+			<groupId>gov.nist.math</groupId>
+			<artifactId>jama</artifactId>
+			<version>1.0.3</version>
+		</dependency>
 	</dependencies>
+
 </project>
\ No newline at end of file