diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c70932560..d858432ce 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -13,6 +13,7 @@ build:
   jobs:
     post_install:
       - pip install '.[dev]'
+      - apt update && apt install -y pandoc graphviz
     # You can also specify other tool versions:
     # nodejs: "19"
     # rust: "1.64"