diff --git a/.gitignore b/.gitignore
index 4e247ee..e1acc3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,6 @@
 /target
 /.classpath
 /.project
+/.idea
+/*.iml
+/.vscode/
diff --git a/pom.xml b/pom.xml
index f1159c4..29aa212 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,6 +3,9 @@
   <groupId>com.overstock.sample</groupId>
   <artifactId>jpa-annotation-processor</artifactId>
   <version>trunk-SNAPSHOT</version>
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
   <dependencies>
     <dependency>
       <groupId>org.hibernate.javax.persistence</groupId>
@@ -45,12 +48,13 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.8.1</version>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>1.8</source>
+          <target>1.8</target>
           <compilerArgument>-proc:none</compilerArgument>
         </configuration>
       </plugin>
     </plugins>
   </build>
-</project>
\ No newline at end of file
+</project>
diff --git a/src/main/java/com/overstock/sample/processor/JpaProcessor.java b/src/main/java/com/overstock/sample/processor/JpaProcessor.java
index 875c1b1..bf9f699 100644
--- a/src/main/java/com/overstock/sample/processor/JpaProcessor.java
+++ b/src/main/java/com/overstock/sample/processor/JpaProcessor.java
@@ -49,7 +49,7 @@
  *
  */
 @SupportedAnnotationTypes({"javax.persistence.Entity", "javax.persistence.OneToMany"})
-@SupportedSourceVersion(SourceVersion.RELEASE_6)
+@SupportedSourceVersion(SourceVersion.RELEASE_8)
 public class JpaProcessor extends AbstractProcessor {
 
   // various types we'll want to refer to, initialized in init method
diff --git a/src/test/java/com/overstock/sample/processor/JpaProcessorTest.java b/src/test/java/com/overstock/sample/processor/JpaProcessorTest.java
index 6164316..e084acb 100644
--- a/src/test/java/com/overstock/sample/processor/JpaProcessorTest.java
+++ b/src/test/java/com/overstock/sample/processor/JpaProcessorTest.java
@@ -8,6 +8,7 @@
 import javax.lang.model.element.Element;
 import javax.tools.Diagnostic.Kind;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Matchers;
@@ -26,6 +27,11 @@ public void setup() throws Exception{
     compiler = new Compiler();
   }
 
+  @After
+  public void teardown() {
+    compiler.cleanUp();
+  }
+
   @Test
   public void testEntityWithNoArgConstructor() throws Exception {
     SourceFile[] sourceFiles = { new SourceFile(