diff --git a/doc/conf.py b/doc/conf.py
index 003a404f22..5306e56bcd 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -33,7 +33,7 @@
 
 # This is used for linking and such so we link to the thing we're building
 rtd_version = os.environ.get("READTHEDOCS_VERSION", "latest")
-if rtd_version not in ["latest", "doc"]:  # TODO: add "stable" once we have it
+if rtd_version not in ["latest", "stable", "doc"]:
     rtd_version = "latest"
 
 # -- General configuration ------------------------------------------------