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-<td class="colFirst"><code>static org.bitcoinj.core.ECKey</code></td>
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 <div class="block">Load EC key.</div>
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 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#loadEcKeyAsHex-org.bitcoinj.crypto.ECKey-">loadEcKeyAsHex</a></span>(org.bitcoinj.crypto.ECKey&nbsp;ecKey)</code>
 <div class="block">Load EC key as hex string.</div>
 </td>
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@@ -217,26 +217,26 @@ <h3>Method Summary</h3>
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 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
-<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#saveEcKey-org.bitcoinj.core.ECKey-">saveEcKey</a></span>(org.bitcoinj.core.ECKey&nbsp;ecKey)</code>
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 <div class="block">Save EC key.</div>
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 <tr id="i12" class="altColor">
 <td class="colFirst"><code>static void</code></td>
-<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#saveEcKey-org.bitcoinj.core.ECKey-java.net.URI-">saveEcKey</a></span>(org.bitcoinj.core.ECKey&nbsp;ecKey,
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#saveEcKey-org.bitcoinj.crypto.ECKey-java.net.URI-">saveEcKey</a></span>(org.bitcoinj.crypto.ECKey&nbsp;ecKey,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>&nbsp;privateKey)</code>
 <div class="block">Save EC key.</div>
 </td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
-<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#saveEcKeyAsHex-org.bitcoinj.core.ECKey-">saveEcKeyAsHex</a></span>(org.bitcoinj.core.ECKey&nbsp;ecKey)</code>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#saveEcKeyAsHex-org.bitcoinj.crypto.ECKey-">saveEcKeyAsHex</a></span>(org.bitcoinj.crypto.ECKey&nbsp;ecKey)</code>
 <div class="block">Save EC key as hex.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
-<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#sign-org.bitcoinj.core.ECKey-java.lang.String-">sign</a></span>(org.bitcoinj.core.ECKey&nbsp;key,
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/bitpay/sdk/util/KeyUtils.html#sign-org.bitcoinj.crypto.ECKey-java.lang.String-">sign</a></span>(org.bitcoinj.crypto.ECKey&nbsp;key,
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 <div class="block">Sign EC Key.</div>
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-                                                        throws <a href="../../../../com/bitpay/sdk/exceptions/BitPayGenericException.html" title="class in com.bitpay.sdk.exceptions">BitPayGenericException</a></pre>
+<pre>public static&nbsp;org.bitcoinj.crypto.ECKey&nbsp;createEcKeyFromHexString(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;privateKey)
+                                                          throws <a href="../../../../com/bitpay/sdk/exceptions/BitPayGenericException.html" title="class in com.bitpay.sdk.exceptions">BitPayGenericException</a></pre>
 <div class="block">Create EC key from hex string.</div>
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-                                                                   <a href="../../../../com/bitpay/sdk/exceptions/BitPayGenericException.html" title="class in com.bitpay.sdk.exceptions">BitPayGenericException</a></pre>
+<pre>public static&nbsp;org.bitcoinj.crypto.ECKey&nbsp;createEcKeyFromHexStringFile(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;privKeyFile)
+                                                              throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
+                                                                     <a href="../../../../com/bitpay/sdk/exceptions/BitPayGenericException.html" title="class in com.bitpay.sdk.exceptions">BitPayGenericException</a></pre>
 <div class="block">Create EC key from hex string private key file.</div>
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+<pre>public static&nbsp;org.bitcoinj.crypto.ECKey&nbsp;loadEcKey()
+                                           throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Load EC key.</div>
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-                                                <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URISyntaxException.html?is-external=true" title="class or interface in java.net">URISyntaxException</a></pre>
+<pre>public static&nbsp;org.bitcoinj.crypto.ECKey&nbsp;loadEcKey(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>&nbsp;privateKey)
+                                           throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
+                                                  <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URISyntaxException.html?is-external=true" title="class or interface in java.net">URISyntaxException</a></pre>
 <div class="block">Load EC key.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
@@ -408,13 +408,13 @@ <h4>getKeyStringFromFile</h4>
 </dl>
 </li>
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-<pre>public static&nbsp;void&nbsp;saveEcKey(org.bitcoinj.core.ECKey&nbsp;ecKey)
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                       throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Save EC key.</div>
 <dl>
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 </dl>
 </li>
 </ul>
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                              <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>&nbsp;privateKey)
                       throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
                              <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URISyntaxException.html?is-external=true" title="class or interface in java.net">URISyntaxException</a></pre>
@@ -446,13 +446,13 @@ <h4>saveEcKey</h4>
 </dl>
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                            throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Save EC key as hex.</div>
 <dl>
@@ -463,13 +463,13 @@ <h4>saveEcKeyAsHex</h4>
 </dl>
 </li>
 </ul>
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+<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;loadEcKeyAsHex(org.bitcoinj.crypto.ECKey&nbsp;ecKey)
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 <div class="block">Load EC key as hex string.</div>
 <dl>
@@ -482,13 +482,13 @@ <h4>loadEcKeyAsHex</h4>
 </dl>
 </li>
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+<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;deriveSin(org.bitcoinj.crypto.ECKey&nbsp;ecKey)
                         throws <a href="../../../../com/bitpay/sdk/exceptions/BitPayGenericException.html" title="class in com.bitpay.sdk.exceptions">BitPayGenericException</a></pre>
 <div class="block">Derive sin string.</div>
 <dl>
@@ -501,13 +501,13 @@ <h4>deriveSin</h4>
 </dl>
 </li>
 </ul>
-<a name="sign-org.bitcoinj.core.ECKey-java.lang.String-">
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+<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;sign(org.bitcoinj.crypto.ECKey&nbsp;key,
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 <div class="block">Sign EC Key.</div>
diff --git a/docs/index-all.html b/docs/index-all.html
index 1ce5ad2b..fd4b9aed 100644
--- a/docs/index-all.html
+++ b/docs/index-all.html
@@ -322,11 +322,11 @@ <h2 class="title">B</h2>
 </dd>
 <dt><span class="memberNameLink"><a href="com/bitpay/sdk/Client.html#bitPayClient">bitPayClient</a></span> - Variable in class com.bitpay.sdk.<a href="com/bitpay/sdk/Client.html" title="class in com.bitpay.sdk">Client</a></dt>
 <dd>&nbsp;</dd>
-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/client/BitPayClient.html#BitPayClient-org.apache.http.client.HttpClient-com.bitpay.sdk.client.HttpRequestFactory-java.lang.String-org.bitcoinj.core.ECKey-">BitPayClient(HttpClient, HttpRequestFactory, String, ECKey)</a></span> - Constructor for class com.bitpay.sdk.client.<a href="com/bitpay/sdk/client/BitPayClient.html" title="class in com.bitpay.sdk.client">BitPayClient</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/client/BitPayClient.html#BitPayClient-org.apache.http.client.HttpClient-com.bitpay.sdk.client.HttpRequestFactory-java.lang.String-org.bitcoinj.crypto.ECKey-">BitPayClient(HttpClient, HttpRequestFactory, String, ECKey)</a></span> - Constructor for class com.bitpay.sdk.client.<a href="com/bitpay/sdk/client/BitPayClient.html" title="class in com.bitpay.sdk.client">BitPayClient</a></dt>
 <dd>
 <div class="block">Instantiates a new Bit pay client.</div>
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-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/client/BitPayClient.html#BitPayClient-org.apache.http.client.HttpClient-com.bitpay.sdk.client.HttpRequestFactory-java.lang.String-org.bitcoinj.core.ECKey-java.lang.String-">BitPayClient(HttpClient, HttpRequestFactory, String, ECKey, String)</a></span> - Constructor for class com.bitpay.sdk.client.<a href="com/bitpay/sdk/client/BitPayClient.html" title="class in com.bitpay.sdk.client">BitPayClient</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/client/BitPayClient.html#BitPayClient-org.apache.http.client.HttpClient-com.bitpay.sdk.client.HttpRequestFactory-java.lang.String-org.bitcoinj.crypto.ECKey-java.lang.String-">BitPayClient(HttpClient, HttpRequestFactory, String, ECKey, String)</a></span> - Constructor for class com.bitpay.sdk.client.<a href="com/bitpay/sdk/client/BitPayClient.html" title="class in com.bitpay.sdk.client">BitPayClient</a></dt>
 <dd>
 <div class="block">Instantiates a new Bit pay client.</div>
 </dd>
@@ -997,11 +997,11 @@ <h2 class="title">D</h2>
 <dd>
 <div class="block">Deliver a BitPay Bill.</div>
 </dd>
-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/Client.html#deriveIdentity-org.bitcoinj.core.ECKey-">deriveIdentity(ECKey)</a></span> - Method in class com.bitpay.sdk.<a href="com/bitpay/sdk/Client.html" title="class in com.bitpay.sdk">Client</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/Client.html#deriveIdentity-org.bitcoinj.crypto.ECKey-">deriveIdentity(ECKey)</a></span> - Method in class com.bitpay.sdk.<a href="com/bitpay/sdk/Client.html" title="class in com.bitpay.sdk">Client</a></dt>
 <dd>
 <div class="block">Derive identity.</div>
 </dd>
-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#deriveSin-org.bitcoinj.core.ECKey-">deriveSin(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#deriveSin-org.bitcoinj.crypto.ECKey-">deriveSin(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
 <dd>
 <div class="block">Derive sin string.</div>
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@@ -3528,7 +3528,7 @@ <h2 class="title">L</h2>
 <dd>
 <div class="block">Load EC key.</div>
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-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#loadEcKeyAsHex-org.bitcoinj.core.ECKey-">loadEcKeyAsHex(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#loadEcKeyAsHex-org.bitcoinj.crypto.ECKey-">loadEcKeyAsHex(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
 <dd>
 <div class="block">Load EC key as hex string.</div>
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 </dd>
 <dt><span class="memberNameLink"><a href="com/bitpay/sdk/model/invoice/MinerFeesItem.html#satoshisPerByte">satoshisPerByte</a></span> - Variable in class com.bitpay.sdk.model.invoice.<a href="com/bitpay/sdk/model/invoice/MinerFeesItem.html" title="class in com.bitpay.sdk.model.invoice">MinerFeesItem</a></dt>
 <dd>&nbsp;</dd>
-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#saveEcKey-org.bitcoinj.core.ECKey-">saveEcKey(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#saveEcKey-org.bitcoinj.crypto.ECKey-">saveEcKey(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
 <dd>
 <div class="block">Save EC key.</div>
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-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#saveEcKey-org.bitcoinj.core.ECKey-java.net.URI-">saveEcKey(ECKey, URI)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#saveEcKey-org.bitcoinj.crypto.ECKey-java.net.URI-">saveEcKey(ECKey, URI)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
 <dd>
 <div class="block">Save EC key.</div>
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-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#saveEcKeyAsHex-org.bitcoinj.core.ECKey-">saveEcKeyAsHex(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#saveEcKeyAsHex-org.bitcoinj.crypto.ECKey-">saveEcKeyAsHex(ECKey)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
 <dd>
 <div class="block">Save EC key as hex.</div>
 </dd>
@@ -5832,7 +5832,7 @@ <h2 class="title">S</h2>
 <dd>
 <div class="block">The constant SHP.</div>
 </dd>
-<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#sign-org.bitcoinj.core.ECKey-java.lang.String-">sign(ECKey, String)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
+<dt><span class="memberNameLink"><a href="com/bitpay/sdk/util/KeyUtils.html#sign-org.bitcoinj.crypto.ECKey-java.lang.String-">sign(ECKey, String)</a></span> - Static method in class com.bitpay.sdk.util.<a href="com/bitpay/sdk/util/KeyUtils.html" title="class in com.bitpay.sdk.util">KeyUtils</a></dt>
 <dd>
 <div class="block">Sign EC Key.</div>
 </dd>
diff --git a/pom.xml b/pom.xml
index 76ce4a35..e6edec81 100644
--- a/pom.xml
+++ b/pom.xml
@@ -194,7 +194,7 @@
         <dependency>
             <groupId>org.bitcoinj</groupId>
             <artifactId>bitcoinj-core</artifactId>
-            <version>0.16.5</version>
+            <version>0.17</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/com/bitpay/sdk/Client.java b/src/main/java/com/bitpay/sdk/Client.java
index b0ba7120..d5dd251b 100644
--- a/src/main/java/com/bitpay/sdk/Client.java
+++ b/src/main/java/com/bitpay/sdk/Client.java
@@ -54,7 +54,7 @@
 import org.apache.http.client.CredentialsProvider;
 import org.apache.http.client.HttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
-import org.bitcoinj.core.ECKey;
+import org.bitcoinj.crypto.ECKey;
 
 /**
  * The type Client.
diff --git a/src/main/java/com/bitpay/sdk/client/BitPayClient.java b/src/main/java/com/bitpay/sdk/client/BitPayClient.java
index 92a8a5f0..1855b0ed 100644
--- a/src/main/java/com/bitpay/sdk/client/BitPayClient.java
+++ b/src/main/java/com/bitpay/sdk/client/BitPayClient.java
@@ -25,7 +25,7 @@
 import org.apache.http.entity.ByteArrayEntity;
 import org.apache.http.message.AbstractHttpMessage;
 import org.apache.http.message.BasicNameValuePair;
-import org.bitcoinj.core.ECKey;
+import org.bitcoinj.crypto.ECKey;
 
 /**
  * The type Bit pay client.
diff --git a/src/main/java/com/bitpay/sdk/util/KeyUtils.java b/src/main/java/com/bitpay/sdk/util/KeyUtils.java
index b6ec4a2c..3ad504e3 100644
--- a/src/main/java/com/bitpay/sdk/util/KeyUtils.java
+++ b/src/main/java/com/bitpay/sdk/util/KeyUtils.java
@@ -18,10 +18,10 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.nio.charset.StandardCharsets;
-import org.bitcoinj.core.Base58;
-import org.bitcoinj.core.ECKey;
-import org.bitcoinj.core.ECKey.ECDSASignature;
-import org.bitcoinj.core.Sha256Hash;
+import org.bitcoinj.base.Base58;
+import org.bitcoinj.base.Sha256Hash;
+import org.bitcoinj.crypto.ECKey;
+import org.bitcoinj.crypto.ECKey.ECDSASignature;
 import org.bitcoinj.crypto.KeyCrypterException;
 
 /**
diff --git a/src/setup/java/BitPaySetup.java b/src/setup/java/BitPaySetup.java
index 9f7a2e72..a224dc69 100644
--- a/src/setup/java/BitPaySetup.java
+++ b/src/setup/java/BitPaySetup.java
@@ -20,7 +20,7 @@
 import java.util.HashMap;
 import java.util.Scanner;
 import java.util.concurrent.atomic.AtomicReference;
-import org.bitcoinj.core.ECKey;
+import org.bitcoinj.crypto.ECKey;
 
 public class BitPaySetup {
     public static void main(final String[] args) {
diff --git a/src/test/java/com/bitpay/sdk/client/AbstractClientTest.java b/src/test/java/com/bitpay/sdk/client/AbstractClientTest.java
index 3654806e..848e4ece 100644
--- a/src/test/java/com/bitpay/sdk/client/AbstractClientTest.java
+++ b/src/test/java/com/bitpay/sdk/client/AbstractClientTest.java
@@ -24,7 +24,7 @@
 import java.util.concurrent.ThreadLocalRandom;
 import org.apache.commons.io.FileUtils;
 import org.apache.http.impl.client.HttpClientBuilder;
-import org.bitcoinj.core.ECKey;
+import org.bitcoinj.crypto.ECKey;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeAll;
diff --git a/src/test/java/com/bitpay/sdk/client/BitPayClientTest.java b/src/test/java/com/bitpay/sdk/client/BitPayClientTest.java
index 110286e6..f885f4a0 100644
--- a/src/test/java/com/bitpay/sdk/client/BitPayClientTest.java
+++ b/src/test/java/com/bitpay/sdk/client/BitPayClientTest.java
@@ -20,7 +20,7 @@
 import org.apache.http.client.methods.HttpPut;
 import org.apache.http.entity.ByteArrayEntity;
 import org.apache.http.message.BasicNameValuePair;
-import org.bitcoinj.core.ECKey;
+import org.bitcoinj.crypto.ECKey;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
diff --git a/src/test/java/com/bitpay/sdk/util/KeyUtilsTest.java b/src/test/java/com/bitpay/sdk/util/KeyUtilsTest.java
index ce370f1b..563ff4d1 100644
--- a/src/test/java/com/bitpay/sdk/util/KeyUtilsTest.java
+++ b/src/test/java/com/bitpay/sdk/util/KeyUtilsTest.java
@@ -9,7 +9,7 @@
 
 
 import com.bitpay.sdk.exceptions.BitPayGenericException;
-import org.bitcoinj.core.ECKey;
+import org.bitcoinj.crypto.ECKey;
 import org.junit.jupiter.api.Test;
 
 public class KeyUtilsTest {