diff --git a/e2e-test/java/org/alfresco/rest/people/UpdateSiteMembershipRequestCoreTests.java b/e2e-test/java/org/alfresco/rest/people/UpdateSiteMembershipRequestCoreTests.java
new file mode 100644
index 000000000..6ac58271e
--- /dev/null
+++ b/e2e-test/java/org/alfresco/rest/people/UpdateSiteMembershipRequestCoreTests.java
@@ -0,0 +1,174 @@
+package org.alfresco.rest.people;
+
+import org.alfresco.rest.RestTest;
+import org.alfresco.utility.data.DataSite;
+import org.alfresco.utility.data.DataUser;
+import org.alfresco.utility.exception.DataPreparationException;
+import org.alfresco.utility.model.ErrorModel;
+import org.alfresco.utility.model.SiteModel;
+import org.alfresco.utility.model.TestGroup;
+import org.alfresco.utility.model.UserModel;
+import org.alfresco.utility.testrail.ExecutionType;
+import org.alfresco.utility.testrail.annotation.TestRail;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.testng.Assert;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+@Test(groups = { TestGroup.REST_API, TestGroup.PEOPLE, TestGroup.CORE })
+public class UpdateSiteMembershipRequestCoreTests extends RestTest
+{
+    @Autowired
+    DataUser dataUser;
+
+    @Autowired
+    DataSite dataSite;
+
+    private SiteModel siteModel;
+    private UserModel managerUser;
+    private String updatedMessage;
+
+    @BeforeClass(alwaysRun=true)
+    public void dataPreparation() throws DataPreparationException
+    {
+        managerUser = dataUser.createRandomTestUser();
+        siteModel = dataSite.usingUser(managerUser).createModeratedRandomSite();
+        updatedMessage = "Please review my request";
+    }
+
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify unauthorized user is not able to update user site membership request")
+    public void unauthorizedUserIsNotAbleToUpdateSiteMembershipRequest() throws Exception
+    {
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember)
+            .withCoreAPI()
+            .usingAuthUser()
+            .addSiteMembershipRequest(siteModel);
+        newMember.setPassword("fakePass");
+        restClient.withCoreAPI()
+            .usingUser(newMember).updateSiteMembershipRequest(siteModel, updatedMessage);
+        restClient.assertStatusCodeIs(HttpStatus.UNAUTHORIZED)
+            .assertLastError().containsSummary(ErrorModel.AUTHENTICATION_FAILED);
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify user is able to update its own site membership request using -me-")
+    public void usingMeUpdateSiteMembershipRequest() throws Exception
+    {
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember)
+            .withCoreAPI()
+            .usingAuthUser()
+            .addSiteMembershipRequest(siteModel);
+        restClient.withCoreAPI().usingMe().updateSiteMembershipRequest(siteModel, updatedMessage)
+            .assertMembershipRequestMessageIs(updatedMessage)
+            .and().field("id").is(siteModel.getId())
+            .and().field("modifiedAt").isNotEmpty();
+        restClient.assertStatusCodeIs(HttpStatus.OK);
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify inexistent user is not able to update its own site membership request")
+    public void inexistentUserCannotUpdateSiteMembershipRequest() throws Exception
+    {
+        UserModel inexistentUser = UserModel.getRandomUserModel();
+        restClient.authenticateUser(managerUser)
+            .withCoreAPI().usingUser(inexistentUser)
+            .updateSiteMembershipRequest(siteModel, updatedMessage);
+        restClient.assertStatusCodeIs(HttpStatus.NOT_FOUND)
+            .assertLastError().containsSummary(String.format(ErrorModel.ENTITY_NOT_FOUND, inexistentUser.getUsername()));
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify user is not able to update its own site membership request for inexistent site")
+    public void userCannotUpdateSiteMembershipRequestForInexistentSite() throws Exception
+    {
+        SiteModel randomSite = SiteModel.getRandomSiteModel();
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember).withCoreAPI()
+            .usingMe()
+            .updateSiteMembershipRequest(randomSite, updatedMessage);
+        restClient.assertStatusCodeIs(HttpStatus.NOT_FOUND)
+            .assertLastError().containsSummary(String.format(ErrorModel.RELATIONSHIP_NOT_FOUND, newMember.getUsername(), randomSite.getId()));
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify user is able not to update its own site membership request for public site")
+    public void userCannotUpdateSiteMembershipRequestForPublicSite() throws Exception
+    {
+        SiteModel publicSite = dataSite.usingUser(managerUser).createPublicRandomSite();
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember)
+            .withCoreAPI()
+            .usingAuthUser()
+            .addSiteMembershipRequest(publicSite);
+        restClient.withCoreAPI().usingMe().updateSiteMembershipRequest(publicSite, updatedMessage);
+        restClient.assertStatusCodeIs(HttpStatus.NOT_FOUND)
+            .assertLastError().containsSummary(String.format(ErrorModel.RELATIONSHIP_NOT_FOUND, newMember.getUsername(), publicSite.getId()));
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify user is not able to update its own site membership request for private site")
+    public void userCannotUpdateSiteMembershipRequestForPrivateSite() throws Exception
+    {
+        SiteModel privateSite = dataSite.usingUser(managerUser).createPrivateRandomSite();
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember)
+            .withCoreAPI()
+            .usingAuthUser()
+            .addSiteMembershipRequest(privateSite);
+        restClient.withCoreAPI().usingMe()
+            .updateSiteMembershipRequest(privateSite, updatedMessage);
+        restClient.assertStatusCodeIs(HttpStatus.NOT_FOUND)
+            .assertLastError().containsSummary(String.format(ErrorModel.RELATIONSHIP_NOT_FOUND, newMember.getUsername(), privateSite.getId()));
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify user is able to update its own site membership request with initial message")
+    public void userCanUpdateSiteMembershipRequestWithInitialMessage() throws Exception
+    {
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember)
+            .withCoreAPI()
+            .usingAuthUser()
+            .addSiteMembershipRequest(siteModel, updatedMessage);
+        restClient.withCoreAPI().usingMe().updateSiteMembershipRequest(siteModel, updatedMessage)
+            .assertMembershipRequestMessageIs(updatedMessage)
+            .and().field("id").is(siteModel.getId())
+            .and().field("modifiedAt").isNotEmpty();
+        restClient.assertStatusCodeIs(HttpStatus.OK);
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify user is able to update its own site membership request with different message")
+    public void userCanUpdateSiteMembershipRequestWithDifferentMessage() throws Exception
+    {
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember)
+            .withCoreAPI()
+            .usingAuthUser()
+            .addSiteMembershipRequest(siteModel, "");
+        restClient.withCoreAPI().usingMe().updateSiteMembershipRequest(siteModel, updatedMessage)
+            .assertMembershipRequestMessageIs(updatedMessage)
+            .and().field("id").is(siteModel.getId())
+            .and().field("modifiedAt").isNotEmpty();
+        restClient.assertStatusCodeIs(HttpStatus.OK);
+    }
+    
+    @TestRail(section = { TestGroup.REST_API, TestGroup.PEOPLE }, 
+                executionType = ExecutionType.REGRESSION, description = "Verify modifiedAt field for update siteMembership request call")
+    public void verifyModifiedAtForUpdateSiteMembershipRequest() throws Exception
+    {
+        UserModel newMember = dataUser.createRandomTestUser();
+        restClient.authenticateUser(newMember)
+            .withCoreAPI()
+            .usingAuthUser()
+            .addSiteMembershipRequest(siteModel);
+        String firstModifiedAt = restClient.withCoreAPI().usingMe().updateSiteMembershipRequest(siteModel, "first message").getModifiedAt();
+        String secondModifiedAt = restClient.withCoreAPI().usingMe().updateSiteMembershipRequest(siteModel, "second message").getModifiedAt();
+        Assert.assertNotEquals(firstModifiedAt, secondModifiedAt);
+        restClient.assertStatusCodeIs(HttpStatus.OK);
+    }
+}
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