diff --git a/docs/.readthedocs.yaml b/docs/.readthedocs.yaml
index f2031480..b02143aa 100644
--- a/docs/.readthedocs.yaml
+++ b/docs/.readthedocs.yaml
@@ -4,6 +4,8 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.9"
+  apt_packages:
+    - libmagic1
 
 sphinx:
    builder: html