diff --git a/README.md b/README.md
index 9b88ecd..856dc55 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@
 Make sure that you have all required packages:
 
 ```
-sudo apt-get install cmake libboost1.55-all-dev libcppunit-dev swig doxygen liblog4cpp5-dev
+sudo apt-get install cmake libboost1.55-all-dev libcppunit-dev swig doxygen liblog4cpp5-dev python-scipy
 ```
 
 To compile and install gr-gsm run: