diff --git a/rest_framework/status.py b/rest_framework/status.py
index df0fa0f02..81fe09996 100644
--- a/rest_framework/status.py
+++ b/rest_framework/status.py
@@ -37,6 +37,7 @@ HTTP_204_NO_CONTENT = 204
 HTTP_205_RESET_CONTENT = 205
 HTTP_206_PARTIAL_CONTENT = 206
 HTTP_207_MULTI_STATUS = 207
+HTTP_208_ALREADY_REPORTED = 208
 HTTP_300_MULTIPLE_CHOICES = 300
 HTTP_301_MOVED_PERMANENTLY = 301
 HTTP_302_FOUND = 302
@@ -78,4 +79,5 @@ HTTP_503_SERVICE_UNAVAILABLE = 503
 HTTP_504_GATEWAY_TIMEOUT = 504
 HTTP_505_HTTP_VERSION_NOT_SUPPORTED = 505
 HTTP_507_INSUFFICIENT_STORAGE = 507
+HTTP_508_LOOP_DETECTED = 508
 HTTP_511_NETWORK_AUTHENTICATION_REQUIRED = 511