diff --git a/docs/requirements.txt b/docs/requirements.txt
index b393e2c..979f568 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,6 +2,6 @@
 #
 # SPDX-License-Identifier: Unlicense
 
-sphinx>=4.0.0
+sphinx
 sphinxcontrib-jquery
-sphinx-rtd-theme>=1.0.0
+sphinx-rtd-theme