diff --git a/salomon.csv b/salomon.csv
index d21a4cec1b482e7b002397fb07e3da2e60f9024c..05c9238d29bdb4c8a48fe23a4a574e8b3bc46918 100644
--- a/salomon.csv
+++ b/salomon.csv
@@ -1447,6 +1447,7 @@ renderproto/0.11,2
 renderproto/0.11-intel-2015b,2
 requests/2.18.4-Py-3.6,2
 RStudio/0.98.1103,2
+ruamel.yaml/0.15.35-Py-3.6,2
 Ruby/2.1.5-intel-2015b,2
 Ruby/2.3.1,2
 Ruby/2.3.3,2
diff --git a/salomon.md b/salomon.md
index 88f875d6b9c8516d65e4946d1b942f14be064292..1b4dd4ed70dc1c1b4b0acb5e601e99f29f7475ae 100644
--- a/salomon.md
+++ b/salomon.md
@@ -390,6 +390,7 @@
 | [PyYAML](https://pypi.python.org/pypi/PyYAML/) | PyYAML is a YAML parser and emitter for the Python programming language. |
 | [pyzmq](https://pypi.python.org/pypi/pyzmq) | Python bindings for 0MQ. |
 | [requests](https://pypi.python.org/pypi/requests) | Python HTTP for Humans. |
+| [ruamel.yaml](https://pypi.python.org/pypi/ruamel.yaml) | ruamel.yaml is a YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order |
 | [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. |
 | [singledispatch](https://pypi.python.org/pypi/singledispatch) | A small but fast and easy to use stand-alone template engine written in pure python. |