diff --git a/fh.fd.ci.client/src/main/java/de/fd/fh/network/FeignClients.java b/fh.fd.ci.client/src/main/java/de/fd/fh/network/FeignClients.java
index 16ce86d..9dc77f0 100644
--- a/fh.fd.ci.client/src/main/java/de/fd/fh/network/FeignClients.java
+++ b/fh.fd.ci.client/src/main/java/de/fd/fh/network/FeignClients.java
@@ -12,10 +12,12 @@ public class FeignClients
     private static final String BASE_URL = "http://localhost:4567";
 
     private AccessClient accessClient;
+    private UserClient userClient;
 
     public FeignClients()
     {
         accessClient = buildClient(AccessClient.class);
+        userClient = buildClient(UserClient.class);
     }
 
     <T> T buildClient(final Class<T> client)
diff --git a/fh.fd.ci.client/src/main/java/de/fd/fh/network/UserClient.java b/fh.fd.ci.client/src/main/java/de/fd/fh/network/UserClient.java
new file mode 100644
index 0000000..e928f09
--- /dev/null
+++ b/fh.fd.ci.client/src/main/java/de/fd/fh/network/UserClient.java
@@ -0,0 +1,18 @@
+package de.fd.fh.network;
+
+import de.fd.fh.shared.Utils;
+import de.fd.fh.shared.network.messages.ChangeUserRequest;
+import de.fd.fh.shared.network.messages.PlayerResponse;
+import feign.Headers;
+import feign.Param;
+import feign.RequestLine;
+
+public interface UserClient
+{
+    @RequestLine("POST /users")
+    @Headers(Utils.AUTHENTICATION_HEADER + ":Bearer {authToken}")
+    PlayerResponse updatePlayer(
+            @Param("authToken") final String authenticationHeader,
+            final ChangeUserRequest request
+    );
+}
diff --git a/fh.fd.ci.client/src/test/java/de/fd/fh/network/FeignClientsTest.java b/fh.fd.ci.client/src/test/java/de/fd/fh/network/FeignClientsTest.java
new file mode 100644
index 0000000..629286b
--- /dev/null
+++ b/fh.fd.ci.client/src/test/java/de/fd/fh/network/FeignClientsTest.java
@@ -0,0 +1,17 @@
+package de.fd.fh.network;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FeignClientsTest
+{
+    @Test
+    void testInitFeignClients()
+    {
+        final FeignClients feignClients = new FeignClients();
+
+        assertNotNull(feignClients.getAccessClient());
+        assertNotNull(feignClients.getUserClient());
+    }
+}
\ No newline at end of file
diff --git a/fh.fd.ci.client/src/test/java/de/fd/fh/network/UserClientTest.java b/fh.fd.ci.client/src/test/java/de/fd/fh/network/UserClientTest.java
new file mode 100644
index 0000000..b7a2375
--- /dev/null
+++ b/fh.fd.ci.client/src/test/java/de/fd/fh/network/UserClientTest.java
@@ -0,0 +1,57 @@
+package de.fd.fh.network;
+
+import de.fd.fh.shared.network.messages.ChangeUserRequest;
+import de.fd.fh.shared.network.messages.PlayerResponse;
+import feign.Feign;
+import feign.gson.GsonDecoder;
+import feign.gson.GsonEncoder;
+import feign.mock.HttpMethod;
+import feign.mock.MockClient;
+import feign.mock.MockTarget;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+class UserClientTest
+{
+    private UserClient client;
+    private MockClient mockClient;
+
+    @BeforeEach
+    void before()
+    {
+        mockClient = new MockClient();
+
+        client = Feign.builder()
+                .decoder(new GsonDecoder())
+                .encoder(new GsonEncoder())
+                .client(mockClient)
+                .target(new MockTarget<>(UserClient.class));
+    }
+
+    @Test
+    void updatePlayer()
+    {
+        mockClient.ok(HttpMethod.POST, "/users",
+                "{\n" +
+                        "   \"id\": {\n" +
+                        "       \"identifier\":\"12345\"\n" +
+                        "   },\n" +
+                        "   \"name\":\"TestName\"\n" +
+                        "}");
+
+        final ChangeUserRequest request = new ChangeUserRequest(
+                "TestName",
+                "TestPassword");
+
+        final PlayerResponse response = client.updatePlayer("TestAuthHeader", request);
+
+        assertNotNull(response);
+        assertEquals("TestName", response.getName());
+        assertEquals("12345", response.getId().getIdentifier());
+
+        mockClient.verifyOne(HttpMethod.POST, "/users");
+    }
+}
\ No newline at end of file
diff --git a/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/UserService.java b/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/UserService.java
index 930a807..5aa31a2 100644
--- a/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/UserService.java
+++ b/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/UserService.java
@@ -2,7 +2,7 @@ package de.fd.fh.server.user;
 
 import de.fd.fh.server.user.events.ChangePasswordEvent;
 import de.fd.fh.server.user.events.ChangeUserNameEvent;
-import de.fd.fh.server.user.web.ChangeUserRequest;
+import de.fd.fh.shared.network.messages.ChangeUserRequest;
 import de.fd.fh.server.user.web.UserRequest;
 import lombok.RequiredArgsConstructor;
 
diff --git a/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/UserController.java b/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/UserController.java
index a264e6b..f276326 100644
--- a/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/UserController.java
+++ b/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/UserController.java
@@ -6,6 +6,7 @@ import de.fd.fh.server.access.AccessToken;
 import de.fd.fh.server.user.User;
 import de.fd.fh.server.user.UserId;
 import de.fd.fh.server.user.UserService;
+import de.fd.fh.shared.network.messages.ChangeUserRequest;
 import lombok.RequiredArgsConstructor;
 import spark.Request;
 import spark.Response;
diff --git a/fh.fd.ci.server/src/test/java/de/fd/fh/server/user/UserServiceTest.java b/fh.fd.ci.server/src/test/java/de/fd/fh/server/user/UserServiceTest.java
index 357ef0e..86b3c7d 100644
--- a/fh.fd.ci.server/src/test/java/de/fd/fh/server/user/UserServiceTest.java
+++ b/fh.fd.ci.server/src/test/java/de/fd/fh/server/user/UserServiceTest.java
@@ -1,6 +1,6 @@
 package de.fd.fh.server.user;
 
-import de.fd.fh.server.user.web.ChangeUserRequest;
+import de.fd.fh.shared.network.messages.ChangeUserRequest;
 import de.fd.fh.server.user.web.UserRequest;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
diff --git a/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/ChangeUserRequest.java b/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/ChangeUserRequest.java
similarity index 84%
rename from fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/ChangeUserRequest.java
rename to fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/ChangeUserRequest.java
index a41e949..a45fc3e 100644
--- a/fh.fd.ci.server/src/main/java/de/fd/fh/server/user/web/ChangeUserRequest.java
+++ b/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/ChangeUserRequest.java
@@ -1,4 +1,4 @@
-package de.fd.fh.server.user.web;
+package de.fd.fh.shared.network.messages;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
diff --git a/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/Identifier.java b/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/Identifier.java
new file mode 100644
index 0000000..deafda1
--- /dev/null
+++ b/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/Identifier.java
@@ -0,0 +1,12 @@
+package de.fd.fh.shared.network.messages;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+@Getter
+public class Identifier
+{
+    private String identifier;
+}
diff --git a/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/PlayerResponse.java b/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/PlayerResponse.java
new file mode 100644
index 0000000..1ec5505
--- /dev/null
+++ b/fh.fd.ci.shared/src/main/java/de/fd/fh/shared/network/messages/PlayerResponse.java
@@ -0,0 +1,13 @@
+package de.fd.fh.shared.network.messages;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+@Getter
+public class PlayerResponse
+{
+    private final Identifier id;
+
+    private String name;
+}