diff --git a/examples/conf.py b/examples/conf.py
index 9e85afecb..9893f5a80 100644
--- a/examples/conf.py
+++ b/examples/conf.py
@@ -70,7 +70,8 @@
     ],
 }
 version = os.environ.get("READTHEDOCS_VERSION", "")
-version = version if "-" in version else "main"
+version = version if "." in version else "main"
+doi_code = os.environ.get("READTHEDOCS_DOI", "10.5281/zenodo.5654871")
 html_context = {
     "github_url": "https://github.com",
     "github_user": "pymc-devs",
@@ -78,8 +79,8 @@
     "github_version": version,
     "doc_path": "examples/",
     "sandbox_repo": f"pymc-devs/pymc-sandbox/{version}",
-    "doi_url": "https://doi.org/10.5281/zenodo.5654871",
-    "doi_code": "10.5281/zenodo.5654871",
+    "doi_url": f"https://doi.org/{doi_code}",
+    "doi_code": doi_code,
 }
 
 
@@ -122,6 +123,7 @@
     "pip_dependencies": "{{ extra_dependencies }}",
     "conda_dependencies": "{{ extra_dependencies }}",
     "extra_install_notes": "",
+    "doi_code": doi_code,
 }
 jupyter_execute_notebooks = "off"