diff --git a/README.md b/README.md
index 7519646..64729a0 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,8 @@ cmake --build build
 - `extra-listen-port` (since 0.3.0, [689f0e7](https://github.com/brevent/wss-proxy/commit/689f0e7)), extra listen port for shadowsocks client without sip003u
 - `syslog` (since 0.3.3, [47d4681](https://github.com/brevent/wss-proxy/commit/47d4681)), log to syslog if supported
 - `ipv6` (since 0.3.4, [a8b5f71](https://github.com/brevent/wss-proxy/commit/a8b5f71)), prefer ipv6 (should fallback to ipv4 if no ipv6)
+- `http2` (since 0.4.0, WebSocket over HTTP/2, [RFC 8441](https://datatracker.ietf.org/doc/html/rfc8441))
+- `http3` (since 0.4.0, WebSocket over HTTP/3, [RFC 9220](https://datatracker.ietf.org/doc/html/rfc9220))
 
 ### Server
 
diff --git a/common.h b/common.h
index ddf2801..37185d1 100644
--- a/common.h
+++ b/common.h
@@ -39,7 +39,7 @@
 #define WSS_LISTEN_FLAGS (LEV_OPT_CLOSE_ON_FREE | LEV_OPT_CLOSE_ON_EXEC | LEV_OPT_REUSEABLE)
 
 #ifndef WSS_PROXY_VERSION
-#define WSS_PROXY_VERSION "0.3.4"
+#define WSS_PROXY_VERSION "0.4.0"
 #endif
 
 #ifndef LOGGER_NAME