diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 60d14db0..82936806 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -5,6 +5,10 @@
 # Required
 version: 2
 
+# Set the OS
+build:
+  os: ubuntu-22.04
+
 # Build documentation in the docs/ directory
 mkdocs:
   configuration: mkdocs.yml