diff --git a/README.md b/README.md
index 6ac4a7504..28488334b 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,7 @@ Required dependencies:
 * QuaZip 0.4.3 - http://quazip.sourceforge.net/
 * liblastfm 1.0.1 - https://github.com/lastfm/liblastfm/
 * QtKeychain 0.1 - https://github.com/frankosterfeld/qtkeychain/
+* Sparsehash - https://code.google.com/p/sparsehash/
 
 The following dependencies are optional, but recommended: