diff --git a/net/http/constants.ha b/net/http/constants.ha
index 13d84e9..da8bb1e 100644
--- a/net/http/constants.ha
+++ b/net/http/constants.ha
@@ -8,6 +8,12 @@ export def POST: str = "POST";
 export def PUT: str = "PUT";
 // HTTP "DELETE" method.
 export def DELETE: str = "DELETE";
+// HTTP "OPTIONS" method.
+export def OPTIONS: str = "OPTIONS";
+// HTTP "PATCH" method.
+export def PATCH: str = "PATCH";
+// HTTP "CONNECT" method.
+export def CONNECT: str = "CONNECT";
 
 // HTTP "Continue" response status (100).
 export def STATUS_CONTINUE: uint = 100;