diff --git a/README.md b/README.md
index 39ee55c..ab49e56 100644
--- a/README.md
+++ b/README.md
@@ -31,10 +31,10 @@ journey; you'll have to do more on your own to truly become proficient.
 ### Concurrency
 
 * [Parallel Zip](https://github.com/remzi-arpacidusseau/ostep-projects/tree/master/concurrency-pzip)
+* [MapReduce](https://github.com/remzi-arpacidusseau/ostep-projects/tree/master/concurrency-mapreduce)
 * Web Server
 * Web Crawler
 
-
 ### File Systems
 
 ### Distributed Systems