diff --git a/salomon.csv b/salomon.csv
index 4356df73edebf4429058f54dd241a3089d8b9899..6b364a1b32c8b0a8520a08cc1d7ba8c759d0e05b 100644
--- a/salomon.csv
+++ b/salomon.csv
@@ -1206,6 +1206,7 @@ Flask/0.12.2-Py-3.6,2
 Jinja2/2.10-Py-3.6,2
 MarkupSafe/1.0-Py-3.6,2
 PyYAML/3.12-Py-2.7,2
+SCons/2.3.6-Py-2.7,2
 Werkzeug/0.14.1-Py-3.6,2
 attrs/17.4.0-Py-2.7,2
 attrs/17.4.0-Py-3.6,2
diff --git a/salomon.md b/salomon.md
index 6afe9f605d32719795f95f4a327666035b3fc1b7..d93bb2292af7678bf61fa7be870c8b84a93a77a9 100644
--- a/salomon.md
+++ b/salomon.md
@@ -378,6 +378,7 @@
 | [pytz](http://pytz.sourceforge.net/) | pytz brings the Olson tz database into Python. This library allows accurate and cross platform timezone calculations using Python 2.4 or higher. |
 | [PyYAML](https://pypi.python.org/pypi/PyYAML/) | PyYAML is a YAML parser and emitter for the Python programming language. |
 | [scipy](https://github.com/jupyter/testpath) | Test utilities for code working with files and commands |
+| [SCons](http://www.scons.org/) | SCons is a software construction tool. |
 | [six](https://github.com/benjaminp/six) | Python 2 and 3 compatibility library. |
 | [spglib-python](https://pypi.python.org/pypi/spglib) | Spglib for Python. Spglib is a library for finding and handling crystal symmetries written in C. |
 | [Werkzeug](https://pypi.python.org/pypi/Werkzeug) | The comprehensive WSGI web application library. |