diff --git a/LICENSE.md b/LICENSE.md
index a8372cf..331298c 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -53,3 +53,4 @@
 - [hidapi](https://pypi.org/project/hidapi/) - BSD-style
 - [pywin32](https://pypi.org/project/pywin32/) - PSF
 - [wmi](https://pypi.org/project/WMI/) - MIT
+- [psutil](https://pypi.org/project/psutil/) - BSD
diff --git a/requirements.txt b/requirements.txt
index 09299f7..a2cec83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,3 +25,4 @@
 cmsis-pack-manager>=0.2.3,<0.3.0
 pywin32==224;platform_system=='Windows'
 wmi==1.4.9;platform_system=='Windows'
+psutil==5.6.2