diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7fd539a..979f568 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,8 +1,7 @@
-# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
-# SPDX-FileCopyrightText: Copyright (c) 2021 Alec Delaney
+# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
 #
-# SPDX-License-Identifier: MIT
+# SPDX-License-Identifier: Unlicense
 
-sphinx~=9.1
-sphinxcontrib-jquery~=4.1
-sphinx-rtd-theme~=3.0
+sphinx
+sphinxcontrib-jquery
+sphinx-rtd-theme