diff --git a/docs/requirements.txt b/docs/requirements.txt
index f57f5f02..8fe35f85 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-sphinx
+sphinx>=2.4.4
 recommonmark
-breathe
+breathe>=4.14.1