diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 5ae08c6..6888cb0 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -5,7 +5,7 @@
 version: 1
 
 build:
-  os: fedora-40
+  os: "fedora-40"
   tools:
     python: "3.12.3"