diff --git a/readthedocs.yml b/readthedocs.yml
index a7dae48..4ca4d79 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -4,6 +4,7 @@ python:
    version: 3.7
    install:
        - requirements: requirements.txt
+       - requirements: docs/requirements.txt
        - method: pip
          path: .
 sphinx: