diff --git a/types/http.d.ts b/types/http-code.d.ts
similarity index 78%
rename from types/http.d.ts
rename to types/http-code.d.ts
index ee8a733..7e49314 100644
--- a/types/http.d.ts
+++ b/types/http-code.d.ts
@@ -1,10 +1,11 @@
 /**
- * @see https://tools.ietf.org/html/rfc7231#section-6.1
+ * @see https://www.iana.org/assignments/http-status-codes
  */
 declare const enum HttpCode {
   CONTINUE = 100,
   SWITCHING_PROTOCOLS = 101,
   PROCESSING = 102,
+  EARLY_HINTS = 103,
 
   OK = 200,
   CREATED = 201,
@@ -14,10 +15,12 @@ declare const enum HttpCode {
   RESET_CONTENT = 205,
   PARTIAL_CONTENT = 206,
   MULTI_STATUS = 207,
+  ALREADY_REPORTED = 208,
+  IM_USED = 226,
 
   MULTIPLE_CHOICES = 300,
   MOVED_PERMANENTLY = 301,
-  MOVED_TEMPORARILY = 302,
+  FOUND = 302,
   SEE_OTHER = 303,
   NOT_MODIFIED = 304,
   USE_PROXY = 305,
@@ -40,17 +43,20 @@ declare const enum HttpCode {
   REQUEST_TOO_LONG = 413,
   REQUEST_URI_TOO_LONG = 414,
   UNSUPPORTED_MEDIA_TYPE = 415,
-  REQUESTED_RANGE_NOT_SATISFIABLE = 416,
+  RANGE_NOT_SATISFIABLE = 416,
   EXPECTATION_FAILED = 417,
   IM_A_TEAPOT = 418,
   INSUFFICIENT_SPACE_ON_RESOURCE = 419,
-  METHOD_FAILURE = 420, // nice
+  MISDIRECTED_REQUEST = 421,
   UNPROCESSABLE_ENTITY = 422,
   LOCKED = 423,
   FAILED_DEPENDENCY = 424,
+  TOO_EARLY = 425,
+  UPGRADE_REQUIRED = 426,
   PRECONDITION_REQUIRED = 428,
   TOO_MANY_REQUESTS = 429,
   REQUEST_HEADER_FIELDS_TOO_LARGE = 431,
+  UNAVAILABLE_FOR_LEGAL_REASONS = 451,
 
   INTERNAL_SERVER_ERROR = 500,
   NOT_IMPLEMENTED = 501,
@@ -58,6 +64,9 @@ declare const enum HttpCode {
   SERVICE_UNAVAILABLE = 503,
   GATEWAY_TIMEOUT = 504,
   HTTP_VERSION_NOT_SUPPORTED = 505,
+  VARIANT_ALSO_NEGOTIATES = 506,
   INSUFFICIENT_STORAGE = 507,
+  LOOP_DETECTED = 508,
+  NOT_EXTENDED = 510,
   NETWORK_AUTHENTICATION_REQUIRED = 511,
 }