diff --git a/.readthedocs.yml b/.readthedocs.yml
index 563add75f..17eba34f3 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,9 +1,11 @@
 version: 2
 sphinx:
   configuration: docs/conf.py
+  fail_on_warning: true
 python:
   # For available versions, see:
   # https://docs.readthedocs.io/en/stable/config-file/v2.html#build-image
   version: 3.7  # Keep in sync with .travis.yml
   install:
     - requirements: docs/requirements.txt
+    - path: .