diff --git a/oidc-exchange.py b/oidc-exchange.py
index 227b9c4..1e5e06e 100644
--- a/oidc-exchange.py
+++ b/oidc-exchange.py
@@ -86,6 +86,7 @@
 * `workflow_ref`: `{workflow_ref}`
 * `job_workflow_ref`: `{job_workflow_ref}`
 * `ref`: `{ref}`
+* `environment`: `{environment}`
 
 See https://docs.pypi.org/trusted-publishers/troubleshooting/ for more help.
 """
@@ -179,6 +180,7 @@ def _get(name: str) -> str:  # noqa: WPS430
         workflow_ref=_get('workflow_ref'),
         job_workflow_ref=_get('job_workflow_ref'),
         ref=_get('ref'),
+        environment=_get('environment'),
     )