diff --git a/.readthedocs.yml b/.readthedocs.yml
index 959cf71..d1b2371 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,5 +1,10 @@
 version: 2
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: '3.11'
+
 python:
   install:
     - method: pip
diff --git a/doc/conf.py b/doc/conf.py
index a71b876..9c41c10 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -69,8 +69,8 @@
 # -- Options for extlinks extension ------------------------------------------
 
 extlinks = {
-    'arxiv': ('https://arxiv.org/abs/%s', 'arXiv:'),
-    'doi': ('https://doi.org/%s', 'doi:')
+    'arxiv': ('https://arxiv.org/abs/%s', 'arXiv:%s'),
+    'doi': ('https://doi.org/%s', 'doi:%s')
 }