diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7d50eeb7..051a3023 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-sphinx=>3.2.1,<4.0.0
-sphinx_rtd_theme=0.5.0
-recommonmark=0.6.0
\ No newline at end of file
+sphinx>=3.2.1,<4.0.0
+sphinx_rtd_theme==0.5.0
+recommonmark==0.6.0
\ No newline at end of file