diff --git a/pom.xml b/pom.xml
index ac992e2..ee99709 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,11 +57,11 @@
 			<artifactId>junit</artifactId>
 			<version>4.10</version>
 			<scope>test</scope>
-		</dependency>		
+		</dependency>
 		<dependency>
-			<groupId>com.tdunning</groupId>
-			<artifactId>json</artifactId>
-			<version>1.6</version>
+			<groupId>com.github.openjson</groupId>
+			<artifactId>openjson</artifactId>
+			<version>1.0.8</version>
 		</dependency>
 	</dependencies>
 
diff --git a/src/main/java/br/com/digilabs/jqplot/data/AreaFillData.java b/src/main/java/br/com/digilabs/jqplot/data/AreaFillData.java
index 32a340d..1623c96 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/AreaFillData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/AreaFillData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,14 +20,14 @@
 import java.util.Collection;
 import java.util.List;
 
-import org.json.JSONArray;
+import com.github.openjson.JSONArray;
 
 /**
  * Data Helper to build Area Charts.
- * 
+ *
  * @param <T>
  *            Type of number. Ex.: Double, Integer, Float, etc.
- * 
+ *
  * @author inaiat
  */
 public class AreaFillData<T extends Number> extends
@@ -47,24 +47,25 @@ public AreaFillData() {
 
     /**
      * Instantiates a new area fill data.
-     * 
+     *
      * @param values
      *            the values
      */
     public AreaFillData(List<T>... values) {
-	for (int i = 0; i < values.length; i++) {
-	    List<T> list = values[i];
-	    addValue(list);
-	}
+        for (int i = 0; i < values.length; i++) {
+            List<T> list = values[i];
+            addValue(list);
+        }
     }
 
     /*
      * (non-Javadoc)
-     * 
+     *
      * @see br.com.digilabs.jqplot.data.ChartData#getData()
      */
+    @Override
     public Collection<List<T>> getData() {
-	return data;
+        return data;
     }
 
     /**
@@ -72,6 +73,7 @@ public Collection<List<T>> getData() {
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         return data.size();
@@ -79,11 +81,12 @@ public int size()
 
     /*
      * (non-Javadoc)
-     * 
+     *
      * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
      */
+    @Override
     public String toJsonString() {
-	JSONArray jsonArray = new JSONArray(data);
-	return jsonArray.toString();
+        JSONArray jsonArray = new JSONArray(data);
+        return jsonArray.toString();
     }
 }
diff --git a/src/main/java/br/com/digilabs/jqplot/data/BarData.java b/src/main/java/br/com/digilabs/jqplot/data/BarData.java
index 76cbd0a..9434cf2 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/BarData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/BarData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -19,7 +19,7 @@
 import java.util.ArrayList;
 import java.util.Collection;
 
-import org.json.JSONArray;
+import com.github.openjson.JSONArray;
 
 
 /**
@@ -29,7 +29,7 @@
  * @author inaiat
  */
 public class BarData<T extends Number> extends AbstractCollectionData<Collection<T>> {
-    
+
 	/** The Constant serialVersionUID. */
 	private static final long serialVersionUID = -2087356275172825289L;
 
@@ -41,7 +41,7 @@ public class BarData<T extends Number> extends AbstractCollectionData<Collection
      */
     public BarData() {
     }
-    
+
     /**
      * Instantiates a new bar data.
      *
@@ -49,11 +49,12 @@ public BarData() {
      */
     public BarData(Collection<T>... values) {
         addValues(values);
-    }    
+    }
 
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#getData()
      */
+    @Override
     public Collection<Collection<T>> getData() {
         return data;
     }
@@ -63,6 +64,7 @@ public Collection<Collection<T>> getData() {
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         int ret = 0;
@@ -78,10 +80,11 @@ public int size()
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
      */
+    @Override
     public String toJsonString() {
         JSONArray jsonArray = new JSONArray(data);
         return jsonArray.toString();
-    }    
+    }
+
 
-    
 }
diff --git a/src/main/java/br/com/digilabs/jqplot/data/BubbleData.java b/src/main/java/br/com/digilabs/jqplot/data/BubbleData.java
index 498742c..84ede11 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/BubbleData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/BubbleData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,11 +16,12 @@
  */
 package br.com.digilabs.jqplot.data;
 
-import br.com.digilabs.jqplot.data.item.BubbleItem;
-
 import java.util.ArrayList;
 import java.util.Collection;
-import org.json.JSONArray;
+
+import com.github.openjson.JSONArray;
+
+import br.com.digilabs.jqplot.data.item.BubbleItem;
 
 /**
  * Data Helper to build Bubble Charts.
@@ -39,6 +40,7 @@ public class BubbleData<T extends BubbleItem> extends AbstractCollectionData<T>
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#getData()
      */
+    @Override
     public Collection<T> getData() {
         return data;
     }
@@ -48,6 +50,7 @@ public Collection<T> getData() {
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         return data.size();
@@ -56,6 +59,7 @@ public int size()
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
      */
+    @Override
     public String toJsonString() {
         JSONArray outerArray = new JSONArray();
         JSONArray jsonArray = new JSONArray();
diff --git a/src/main/java/br/com/digilabs/jqplot/data/LabeledData.java b/src/main/java/br/com/digilabs/jqplot/data/LabeledData.java
index d58df56..88a4d59 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/LabeledData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/LabeledData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,13 +16,13 @@
  */
 package br.com.digilabs.jqplot.data;
 
-import br.com.digilabs.jqplot.data.item.LabeledItem;
-
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
-import org.json.JSONArray;
+import com.github.openjson.JSONArray;
+
+import br.com.digilabs.jqplot.data.item.LabeledItem;
 
 /**
  * Data Helper to build Labeled Charts.
@@ -56,8 +56,9 @@ public LabeledData(LabeledItem<T>... values) {
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
      */
+    @Override
     public String toJsonString() {
-    	JSONArray jsonArray = new JSONArray();        
+        JSONArray jsonArray = new JSONArray();
         for (LabeledItem<T> labeledItem : data) {
             JSONArray itemArray = new JSONArray();
             itemArray.put(labeledItem.getLabel());
@@ -72,6 +73,7 @@ public String toJsonString() {
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#getData()
      */
+    @Override
     public Collection<LabeledItem<T>> getData() {
         return data;
     }
@@ -81,6 +83,7 @@ public Collection<LabeledItem<T>> getData() {
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         return data.size();
diff --git a/src/main/java/br/com/digilabs/jqplot/data/LineSeriesData.java b/src/main/java/br/com/digilabs/jqplot/data/LineSeriesData.java
index 9fefdb3..ae8e04f 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/LineSeriesData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/LineSeriesData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,7 +20,7 @@
 import java.util.Collection;
 import java.util.List;
 
-import org.json.JSONArray;
+import com.github.openjson.JSONArray;
 
 import br.com.digilabs.jqplot.data.item.LineSeriesItem;
 
@@ -34,22 +34,24 @@ public class LineSeriesData<I extends Number,V extends Number> extends AbstractC
 
 	/** The Constant serialVersionUID. */
 	private static final long serialVersionUID = -8490476851004459871L;
-	
+
 	/** The data. */
 	private List<Collection<LineSeriesItem<I, V>>> data = new ArrayList<Collection<LineSeriesItem<I, V>>>();
 
 	/* (non-Javadoc)
 	 * @see br.com.digilabs.jqplot.data.ChartData#getData()
 	 */
+	@Override
 	public Collection<Collection<LineSeriesItem<I, V>>> getData() {
 		return data;
-	}	
+	}
 
     /**
      * Gets the size of the data.
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         int ret = 0;
@@ -64,8 +66,9 @@ public int size()
 	/* (non-Javadoc)
 	 * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
 	 */
-	public String toJsonString() {
-    	JSONArray jsonArray = new JSONArray();        
+	@Override
+    public String toJsonString() {
+    	JSONArray jsonArray = new JSONArray();
         for (Collection<LineSeriesItem<I, V>> col : data) {
         	JSONArray serie = new JSONArray();
         	for (LineSeriesItem<I, V> lineSeriesItem : col) {
@@ -75,9 +78,9 @@ public String toJsonString() {
                 serie.put(itemArray);
 			}
         	jsonArray.put(serie);
-        	
+
         }
         return jsonArray.toString();
 	}
-	
+
 }
diff --git a/src/main/java/br/com/digilabs/jqplot/data/LinedData.java b/src/main/java/br/com/digilabs/jqplot/data/LinedData.java
index c4f82fa..3f2d1f2 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/LinedData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/LinedData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -19,11 +19,12 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
-import org.json.JSONArray;
+
+import com.github.openjson.JSONArray;
 
 /**
  * Data Helper to build Line Charts.
- * 
+ *
  * @param <T>
  *            Type of number. Ex.: Double, Integer, Float, etc.
  * @author inaiat
@@ -44,21 +45,22 @@ public LinedData() {
 
     /**
      * Instantiates a new lined data.
-     * 
+     *
      * @param values
      *            the values
      */
     public LinedData(T... values) {
-	addValues(values);
+        addValues(values);
     }
 
     /*
      * (non-Javadoc)
-     * 
+     *
      * @see br.com.digilabs.jqplot.data.ChartData#getData()
      */
+    @Override
     public Collection<T> getData() {
-	return data;
+        return data;
     }
 
     /**
@@ -66,6 +68,7 @@ public Collection<T> getData() {
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         return data.size();
@@ -73,13 +76,14 @@ public int size()
 
     /*
      * (non-Javadoc)
-     * 
+     *
      * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
      */
+    @Override
     public String toJsonString() {
-	JSONArray jsonArray = new JSONArray();
-	jsonArray.put(data);
-	return jsonArray.toString();
+        JSONArray jsonArray = new JSONArray();
+        jsonArray.put(data);
+        return jsonArray.toString();
     }
 
 }
diff --git a/src/main/java/br/com/digilabs/jqplot/data/MeterData.java b/src/main/java/br/com/digilabs/jqplot/data/MeterData.java
index eac15c6..5941158 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/MeterData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/MeterData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,7 +16,7 @@
  */
 package br.com.digilabs.jqplot.data;
 
-import org.json.JSONArray;
+import com.github.openjson.JSONArray;
 
 /**
  * Data Helper to build Meter Charts.
@@ -43,7 +43,7 @@ public MeterData() {
     public MeterData(Float value) {
         super(value);
     }
-    
+
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.NumberData#toJsonString()
      */
diff --git a/src/main/java/br/com/digilabs/jqplot/data/PieData.java b/src/main/java/br/com/digilabs/jqplot/data/PieData.java
index d676347..4786f7f 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/PieData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/PieData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,11 +16,12 @@
  */
 package br.com.digilabs.jqplot.data;
 
-import br.com.digilabs.jqplot.data.item.LabeledItem;
-
 import java.util.ArrayList;
 import java.util.Collection;
-import org.json.JSONArray;
+
+import com.github.openjson.JSONArray;
+
+import br.com.digilabs.jqplot.data.item.LabeledItem;
 
 /**
  * Data Helper to build Pie Charts.
@@ -32,13 +33,14 @@ public class PieData<T extends Number> extends AbstractCollectionData<LabeledIte
 
     /** The Constant serialVersionUID. */
     private static final long serialVersionUID = 5789136755213249502L;
-	
+
     /** The data. */
     private Collection<LabeledItem<T>> data = new ArrayList<LabeledItem<T>>();
 
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
      */
+    @Override
     public String toJsonString() {
         JSONArray outerArray = new JSONArray();
         JSONArray jsonArray = new JSONArray();
@@ -55,6 +57,7 @@ public String toJsonString() {
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#getData()
      */
+    @Override
     public Collection<LabeledItem<T>> getData() {
         return data;
     }
@@ -64,6 +67,7 @@ public Collection<LabeledItem<T>> getData() {
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         return data.size();
diff --git a/src/main/java/br/com/digilabs/jqplot/data/PieDonutData.java b/src/main/java/br/com/digilabs/jqplot/data/PieDonutData.java
index fc22565..5295a76 100644
--- a/src/main/java/br/com/digilabs/jqplot/data/PieDonutData.java
+++ b/src/main/java/br/com/digilabs/jqplot/data/PieDonutData.java
@@ -1,12 +1,12 @@
 /*
  *  Copyright 2011 Inaiat H. Moraes.
- * 
+ *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
- * 
+ *
  *       http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,11 +16,12 @@
  */
 package br.com.digilabs.jqplot.data;
 
-import br.com.digilabs.jqplot.data.item.LabeledItem;
-
 import java.util.ArrayList;
 import java.util.Collection;
-import org.json.JSONArray;
+
+import com.github.openjson.JSONArray;
+
+import br.com.digilabs.jqplot.data.item.LabeledItem;
 
 /**
  * Data Helper to build Pie Donut Charts.
@@ -39,6 +40,7 @@ public class PieDonutData<T extends Number> extends AbstractCollectionData<Colle
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#toJsonString()
      */
+    @Override
     public String toJsonString() {
         JSONArray dataArray = new JSONArray();
         JSONArray jsonArray = new JSONArray();
@@ -62,6 +64,7 @@ public String toJsonString() {
     /* (non-Javadoc)
      * @see br.com.digilabs.jqplot.data.ChartData#getData()
      */
+    @Override
     public Collection<Collection<LabeledItem<T>>> getData() {
         return data;
     }
@@ -71,6 +74,7 @@ public Collection<Collection<LabeledItem<T>>> getData() {
      *
      * @return the data
      */
+    @Override
     public int size()
     {
         return data.size();
diff --git a/src/test/java/br/com/digilabs/jqplot/test/BarChartTest.java b/src/test/java/br/com/digilabs/jqplot/test/BarChartTest.java
index 51c9072..7ee85cc 100644
--- a/src/test/java/br/com/digilabs/jqplot/test/BarChartTest.java
+++ b/src/test/java/br/com/digilabs/jqplot/test/BarChartTest.java
@@ -7,12 +7,11 @@
 
 import java.util.Arrays;
 
-import junit.framework.TestCase;
-
-import org.json.JSONException;
+import com.github.openjson.JSONException;
 
 import br.com.digilabs.jqplot.JqPlotUtils;
 import br.com.digilabs.jqplot.chart.BarChart;
+import junit.framework.TestCase;
 
 /**
  *
@@ -34,7 +33,7 @@ protected void tearDown() throws Exception {
         super.tearDown();
     }
 
-    public void testLabeledLine() throws JSONException, org.json.JSONException {
+    public void testLabeledLine() throws JSONException {
         BarChart<Integer> chart = new BarChart<Integer>();
         chart.addValue(Arrays.<Integer>asList(200, 600, 700, 1000));
         chart.addValue(Arrays.<Integer>asList(200, 600, 700, 1000));