diff --git a/src/main/java/com/checkout/common/FileDetailsResponse.java b/src/main/java/com/checkout/common/FileDetailsResponse.java
index 7b5260d9..ef58a289 100644
--- a/src/main/java/com/checkout/common/FileDetailsResponse.java
+++ b/src/main/java/com/checkout/common/FileDetailsResponse.java
@@ -11,7 +11,7 @@ public final class FileDetailsResponse extends Resource {
 
     private String id;
     private String filename;
-    private String purpose;
+    private FilePurpose purpose;
     private Integer size;
     private String uploadedOn;
 
diff --git a/src/main/java/com/checkout/common/FilePurpose.java b/src/main/java/com/checkout/common/FilePurpose.java
index b1e2b230..59ce0fcf 100644
--- a/src/main/java/com/checkout/common/FilePurpose.java
+++ b/src/main/java/com/checkout/common/FilePurpose.java
@@ -1,10 +1,18 @@
 package com.checkout.common;
 
+import com.google.gson.annotations.SerializedName;
 import lombok.Getter;
 
 public enum FilePurpose {
 
-    DISPUTE_EVIDENCE("dispute_evidence");
+    @SerializedName("dispute_evidence")
+    DISPUTE_EVIDENCE("dispute_evidence"),
+
+    @SerializedName("arbitration_evidence")
+    ARBITRATION_EVIDENCE("arbitration_evidence"),
+
+    @SerializedName("submitted_evidence")
+    SUBMITTED_EVIDENCE("submitted_evidence");
 
     @Getter
     private final String purpose;
diff --git a/src/test/java/com/checkout/disputes/DisputesTestIT.java b/src/test/java/com/checkout/disputes/DisputesTestIT.java
index f1d49015..762c8a4b 100644
--- a/src/test/java/com/checkout/disputes/DisputesTestIT.java
+++ b/src/test/java/com/checkout/disputes/DisputesTestIT.java
@@ -332,7 +332,7 @@ private void validateDisputePaymentDetails(PaymentResponse paymentResponse, Disp
     private void validateFileDetailsResponse(FileRequest fileRequest, FileDetailsResponse fileDetailsResponse) {
         assertNotNull(fileDetailsResponse);
         assertEquals(fileRequest.getFile().getName(), fileDetailsResponse.getFilename());
-        assertEquals(fileRequest.getPurpose().getPurpose(), fileDetailsResponse.getPurpose());
+        assertEquals(fileRequest.getPurpose(), fileDetailsResponse.getPurpose());
     }
 
     private void validateEvidenceResponse(DisputeEvidenceRequest evidenceRequest, DisputeEvidenceResponse evidenceResponse) {
diff --git a/src/test/java/com/checkout/disputes/previous/DisputesTestIT.java b/src/test/java/com/checkout/disputes/previous/DisputesTestIT.java
index 078931d3..09cd41fd 100644
--- a/src/test/java/com/checkout/disputes/previous/DisputesTestIT.java
+++ b/src/test/java/com/checkout/disputes/previous/DisputesTestIT.java
@@ -184,7 +184,7 @@ void shouldTestFullDisputesWorkFlow() throws Exception {
         final FileDetailsResponse fileDetailsResponse = blocking(() -> previousApi.disputesClient().getFileDetails(fileResponse.getId()));
         assertNotNull(fileDetailsResponse);
         assertEquals(fileRequest.getFile().getName(), fileDetailsResponse.getFilename());
-        assertEquals(fileRequest.getPurpose().getPurpose(), fileDetailsResponse.getPurpose());
+        assertEquals(fileRequest.getPurpose(), fileDetailsResponse.getPurpose());
         //Provide dispute evidence
         final DisputeEvidenceRequest evidenceRequest = DisputeEvidenceRequest.builder()
                 .proofOfDeliveryOrServiceFile(fileDetailsResponse.getId())