diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 99525b5d5..3663f377a 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -12,7 +12,7 @@ version: 2
 build:
   os: ubuntu-22.04 # Ubuntu Jammy LTS
   tools:
-    python: 3.10
+    python: "3.10"
 
 python:
   install: