diff --git a/README.md b/README.md
index 6bff00acecd9428dd9da7db62f7e105ec7517d80..94fe22f584e8af0c62aa2ba56c37c4853c2713cf 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,7 @@ $ python3 absinth.py -t
 * [NLTK](http://www.nltk.org/) - Stopwords
 * [Spacy](https://spacy.io/) - Tokenisation and syntactic parsing
 * [NumPy](http://www.numpy.org/) - Maths
+* [MatPlotLib](https://matplotlib.org/) - Visualisation
 
 ## References