diff --git a/Docs/API.md b/Docs/API.md
index 5e256bf8..c486a43a 100755
--- a/Docs/API.md
+++ b/Docs/API.md
@@ -376,7 +376,7 @@ Set the user emails and encrypt them.
 
 | option          | type  | description   |
 | --------------  | ----  |------------- |
-| emailsCryptType | int   | none - 0 (default), SHA1 - 1, MD5 - 2 |
+| emailsCryptType | int   | none - 0 (default), SHA1 - 1, MD5 - 2, SHA256 - 3 |
 | emails          | array | comma separated list of emails |
 
 
diff --git a/ios/RNAppsFlyer.m b/ios/RNAppsFlyer.m
index 3ca0f61e..ede6da59 100755
--- a/ios/RNAppsFlyer.m
+++ b/ios/RNAppsFlyer.m
@@ -119,6 +119,9 @@ @implementation RNAppsFlyer
                 case EmailCryptTypeMD5:
                     emailsCryptType = EmailCryptTypeMD5;
                     break;
+                case EmailCryptTypeSHA256:
+                    emailsCryptType = EmailCryptTypeSHA256;
+                    break;
                 default:
                     emailsCryptType = EmailCryptTypeNone;
             }