diff --git a/readme.md b/readme.md
index 2045eb4..c0006b1 100644
--- a/readme.md
+++ b/readme.md
@@ -236,6 +236,7 @@ Check out my [blog](https://blog.sindresorhus.com) and follow me on [Twitter](ht
 - [Functional Programming](https://github.com/lucasviola/awesome-functional-programming)
 - [Static Analysis & Code Quality](https://github.com/mre/awesome-static-analysis)
 - [Software-Defined Networking](https://github.com/sdnds-tw/awesome-sdn)
+- [Information Retrieval and Web Search](https://github.com/harpribot/awesome-information-retrieval)
 
 
 ## Big Data