diff --git a/doc/readthedocs_requirements.txt b/doc/readthedocs_requirements.txt
new file mode 100644
index 000000000..991ce2d25
--- /dev/null
+++ b/doc/readthedocs_requirements.txt
@@ -0,0 +1,6 @@
+# As openstack job build-reno-releasenotes and Read The Docs page support only
+# one single requirements file for a project, we need to have one such file
+# which will include all project requirements
+-r ../requirements.txt
+-r ../extra-requirements.txt
+-r ./requirements.txt
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 5131250a4..70f78ad10 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -2,8 +2,5 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-# As openstack job build-reno-releasenotes and Read The Docs page support only
-# one single requirements file for a project, we need to have one such file
-# which will include all project requirements
 reno>=3.2.0                   # Apache-2.0
 sphinx>=3.4.2                 # BSD