diff --git a/README.md b/README.md
index f9095d1..e167b14 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ Cuong Xuan Chu, Simon Razniewski, Gerhard Weikum. (WSDM 2020)
 Project website: https://www.mpi-inf.mpg.de/yago-naga/entyfi
 
 # Dependencies
+- Maven, Java 1.8
 - Python2 for mention detection.
   - cPickle
   - theano