diff --git a/pom.xml b/pom.xml
index 73274f3..0347d04 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.uid2</groupId>
     <artifactId>attestation-azure</artifactId>
-    <version>1.5.16-d43239058c</version>
+    <version>2.0.0-SNAPSHOT</version>
 
     <name>${project.groupId}:${project.artifactId}</name>
     <description>Azure Enclave attestation</description>
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>com.uid2</groupId>
             <artifactId>uid2-attestation-api</artifactId>
-            <version>1.5.0-676519b018</version>
+            <version>1.6.10-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
diff --git a/src/main/java/com/uid2/attestation/azure/AzureCCAttestationProvider.java b/src/main/java/com/uid2/attestation/azure/AzureCCAttestationProvider.java
index 2c7ebc1..98e99ab 100644
--- a/src/main/java/com/uid2/attestation/azure/AzureCCAttestationProvider.java
+++ b/src/main/java/com/uid2/attestation/azure/AzureCCAttestationProvider.java
@@ -80,13 +80,14 @@ public AzureCCAttestationProvider(String maaServerBaseUrl, String skrUrl, HttpCl
 	}
 	
 	@Override
-	public byte[] getAttestationRequest(byte[] publicKey) throws AttestationException {
+	public byte[] getAttestationRequest(byte[] publicKey, byte[] userData) throws AttestationException {
 		var base64Encoder = Base64.getEncoder();
 		var gson = new Gson();
 		
 		var runtimeData = new RuntimeData();
 		runtimeData.location = this.location;
 		runtimeData.publicKey = base64Encoder.encodeToString(publicKey);
+		runtimeData.userData = base64Encoder.encodeToString(userData);
 		String runtimeDataJson = gson.toJson(runtimeData);
 
 		var skrRequest = new SkrRequest();
@@ -130,6 +131,7 @@ private String getLocation() {
 	private static class RuntimeData {
 		private String location;
 		private String publicKey;
+		private String userData;
 	}
 
 	private static class SkrRequest {
diff --git a/src/test/java/com/uid2/attestation/azure/AzureCCAttestationProviderTest.java b/src/test/java/com/uid2/attestation/azure/AzureCCAttestationProviderTest.java
index 6941559..014a570 100644
--- a/src/test/java/com/uid2/attestation/azure/AzureCCAttestationProviderTest.java
+++ b/src/test/java/com/uid2/attestation/azure/AzureCCAttestationProviderTest.java
@@ -18,12 +18,14 @@
 import java.util.Map;
 
 public class AzureCCAttestationProviderTest {
+    final private byte[] publicTokenMock = new byte[] {0x01, 0x02};
+    final private byte[] userDataMock = new byte[] {0x03, 0x04};
+
     @Test
     public void testGetAttestationRequestSuccess() throws Exception {
         var gson = new Gson();
         
         // Mock response
-        final var publicTokenMock = new byte[] {0x01, 0x02};
         final var skrUrlMock = "http://skr";
         final var maaTokenMock = "abc";
         final var httpResponseMock = mock(HttpResponse.class);
@@ -35,7 +37,7 @@ public void testGetAttestationRequestSuccess() throws Exception {
         
         // Verify output
         final var provider = new AzureCCAttestationProvider(null, skrUrlMock, httpClientMock);
-        var output = provider.getAttestationRequest(publicTokenMock);
+        var output = provider.getAttestationRequest(publicTokenMock, userDataMock);
         Assert.assertArrayEquals(maaTokenMock.getBytes(), output);
         
         // Verify sent request
@@ -47,7 +49,6 @@ public void testGetAttestationRequestSuccess() throws Exception {
     
     @Test
     public void testGetAttestationRequestFailure_InvalidStatusCode() throws Exception {
-        final var publicTokenMock = new byte[] {0x01, 0x02};
         final var httpResponseMock = mock(HttpResponse.class);
         when(httpResponseMock.statusCode()).thenReturn(HttpURLConnection.HTTP_INTERNAL_ERROR);
 
@@ -55,13 +56,12 @@ public void testGetAttestationRequestFailure_InvalidStatusCode() throws Exceptio
         when(httpClientMock.send(any(HttpRequest.class), any(HttpResponse.BodyHandler.class))).thenReturn(httpResponseMock);
 
         final var provider = new AzureCCAttestationProvider(null, null, httpClientMock);
-        var thrown = Assert.assertThrows(AttestationException.class, () -> provider.getAttestationRequest(publicTokenMock));
+        var thrown = Assert.assertThrows(AttestationException.class, () -> provider.getAttestationRequest(publicTokenMock, userDataMock));
         Assert.assertTrue(thrown.getMessage().startsWith("Skr failed with status code: " + HttpURLConnection.HTTP_INTERNAL_ERROR));
     }
     
     @Test
     public void testGetAttestationRequestFailure_EmptyResponseBody() throws Exception {
-        final var publicTokenMock = new byte[] {0x01, 0x02};
         final var httpResponseMock = mock(HttpResponse.class);
         when(httpResponseMock.statusCode()).thenReturn(HttpURLConnection.HTTP_OK);
 
@@ -69,14 +69,13 @@ public void testGetAttestationRequestFailure_EmptyResponseBody() throws Exceptio
         when(httpClientMock.send(any(HttpRequest.class), any(HttpResponse.BodyHandler.class))).thenReturn(httpResponseMock);
 
         final var provider = new AzureCCAttestationProvider(null, null, httpClientMock);
-        var thrown = Assert.assertThrows(AttestationException.class, () -> provider.getAttestationRequest(publicTokenMock));
+        var thrown = Assert.assertThrows(AttestationException.class, () -> provider.getAttestationRequest(publicTokenMock, userDataMock));
         Assert.assertEquals("response is null", thrown.getMessage());
     }
 
     @Test
     public void testGetAttestationRequestFailure_InvalidResponseBody() throws Exception {
         var gson = new Gson();
-        final var publicTokenMock = new byte[] {0x01, 0x02};
         final var httpResponseMock = mock(HttpResponse.class);
         when(httpResponseMock.statusCode()).thenReturn(HttpURLConnection.HTTP_OK);
         when(httpResponseMock.body()).thenReturn(gson.toJson(Map.of("key", 123)));
@@ -85,7 +84,7 @@ public void testGetAttestationRequestFailure_InvalidResponseBody() throws Except
         when(httpClientMock.send(any(HttpRequest.class), any(HttpResponse.BodyHandler.class))).thenReturn(httpResponseMock);
 
         final var provider = new AzureCCAttestationProvider(null, null, httpClientMock);
-        var thrown = Assert.assertThrows(AttestationException.class, () -> provider.getAttestationRequest(publicTokenMock));
+        var thrown = Assert.assertThrows(AttestationException.class, () -> provider.getAttestationRequest(publicTokenMock, userDataMock));
         Assert.assertEquals("token field not exist in Skr response", thrown.getMessage());
     }
 }