diff --git a/README.md b/README.md
index 246d71f..03a10cb 100644
--- a/README.md
+++ b/README.md
@@ -761,6 +761,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [libquic](https://github.com/devsisters/libquic) - A QUIC protocol library extracted from Chromium's QUIC Implementation. [BSD]
 * [librdkafka](https://github.com/edenhill/librdkafka) - Apache Kafka client library for C and C++. [BSD-2-Clause]
 * [libwebsockets](https://github.com/warmcat/libwebsockets) - A lightweight pure C WebSocket implementation that provides both client and server libraries. [LGPL2.1 + static link exception] [website](https://libwebsockets.org/)
+* [Lithium](https://matt-42.github.io/lithium/) - Build high performance C++ HTTP servers without being a C++ expert. [MIT]
 * [lwIP](http://savannah.nongnu.org/projects/lwip/) - A lightweight TCP/IP stack. [Modified BSD]
 * [Mongoose](https://github.com/cesanta/mongoose) - Extremely lightweight webserver. [GPL2]
 * [MQTT-C](https://github.com/LiamBindle/MQTT-C) - A portable MQTT C client for embedded systems and PCs alike. [MIT] [website](https://liambindle.ca/MQTT-C)
@@ -775,7 +776,6 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [RakNet](https://github.com/OculusVR/RakNet) - A cross platform, open source, C++ networking engine for game programmers. [BSD]
 * [restclient-cpp](https://github.com/mrtazz/restclient-cpp) - Simple REST client for C++. It wraps libcurl for HTTP requests. [MIT]
 * [Seasocks](https://github.com/mattgodbolt/seasocks) - Simple, small, C++ embeddable webserver with WebSockets support. [BSD]
-* [Silicon](http://siliconframework.org) - A high performance, middleware oriented C++14 http web framework. [MIT]
 * [tlse](https://github.com/eduardsui/tlse) - Single C file TLS 1.2/1.3 implementation, using tomcrypt as crypto library [BSD-2-Clause]
 * [Tufão](https://github.com/vinipsmaker/tufao) - An asynchronous web framework for C++ built on top of Qt. [LGPL2]
 * [uriparser](https://github.com/uriparser/uriparser) - Strictly RFC 3986 compliant URI parsing and handling library. [BSD-3-Clause]