diff --git a/README.md b/README.md
index b3cf914..1ef115a 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ Build and running
 * GCC
 * CMake
 ### Dependencies
+* Python 2.7
 * pystring
 * pybind11
 * libnfs