diff --git a/docs/requirements.txt b/docs/requirements.txt
index 110231e69..ca1360e09 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -38,7 +38,7 @@ sphinx-basic-ng==1.0.0b2
 sphinx-click==5.1.0
 sphinx-rtd-theme==2.0.0
 sphinxcontrib-applehelp==1.0.8
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==1.0.6
 sphinxcontrib-htmlhelp==2.0.1
 sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1