diff --git a/pom.xml b/pom.xml
index 0c3abee..f773939 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,6 +78,11 @@
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jre8</artifactId>
+            <version>${kotlin.version}</version>
+        </dependency>
     </dependencies>
 
     <distributionManagement>
@@ -100,8 +105,34 @@
     </pluginRepositories>
 
     <build>
-        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
-        <testSourceDirectory>${project.basedir}/src/test/kotlin</testSourceDirectory>
+        <sourceDirectory>src/main/kotlin</sourceDirectory>
+        <testSourceDirectory>src/test/kotlin</testSourceDirectory>
+        <plugins>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
+            </plugin>
+        </plugins>
     </build>
 
     <profiles>
diff --git a/readme.md b/readme.md
index 782aef4..921bc13 100644
--- a/readme.md
+++ b/readme.md
@@ -8,7 +8,7 @@
 [![Version](https://img.shields.io/maven-central/v/com.github.atsushi130/builderkit.svg)](https://search.maven.org/#search|gav|1|g%3A"com.github.atsushi130"%20AND%20a%3A"builderkit")
 
 ## Usage
-Implement Generator class to `/src/gen/kotlin`.
+Implement Generator class to `/generate/src/`.
 ```kotlin
 class Generator {
     companion object {
@@ -18,9 +18,9 @@ class Generator {
     }
 }
 ```
-Builder class is automatically generated to `src/gen/kotlin/` by default.
+Builder class is automatically generated to `generate/src/` by default.
 
-## Outout Builder class
+## Output Builder class
 **Sample model class**
 ```kotlin
 data class ModelClass(val arg1: Int, val arg2: List<String>, val arg3: MyClass)
@@ -60,7 +60,7 @@ import java.io.File
 class Generator {
     companion object {
         @JvmStatic fun main(vararg args: String) {
-            val builder = BuilderGenerator(indent = "\t", path = File("src/gen/kotlin/"))
+            val builder = BuilderGenerator(indent = "\t", path = File("generate/src/"))
             builder.generates(ModelClass::class)
         }
     }
diff --git a/src/main/kotlin/builderkit/BuilderGenerator.kt b/src/main/kotlin/builderkit/BuilderGenerator.kt
index 2e02ed7..292b631 100644
--- a/src/main/kotlin/builderkit/BuilderGenerator.kt
+++ b/src/main/kotlin/builderkit/BuilderGenerator.kt
@@ -39,7 +39,7 @@ class BuilderGenerator(private val indent: String, private val path: File) {
         /**
          * Default output file path
          */
-        private val path = File("src/gen/kotlin/")
+        private val path = File("generate/src")
 
         /**
          * Default indent