diff --git a/.readthedocs.yml b/.readthedocs.yml
index 7c0b926..c58be1d 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -15,7 +15,7 @@ build:
   os: ubuntu-22.04
   tools:
     python:
-      version: 3.10
+      version: "3.10"
       install:
         - requirements: docs/requirements.txt
         - method: pip