diff --git a/.readthedocs.yml b/.readthedocs.yml
index dcd8d57..fa83207 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -11,7 +11,7 @@ build:
       - pip install poetry
       - poetry config virtualenvs.create false
     post_install:
-      - poetry install
+      - poetry install --with dev
 
 sphinx:
-  configuration: docs/source/conf.py
\ No newline at end of file
+  configuration: docs/source/conf.py