diff --git a/lib/ansible/modules/extras/monitoring/circonus_annotation.py b/lib/ansible/modules/extras/monitoring/circonus_annotation.py
index 3a28644268c..e67e42fb387 100644
--- a/lib/ansible/modules/extras/monitoring/circonus_annotation.py
+++ b/lib/ansible/modules/extras/monitoring/circonus_annotation.py
@@ -133,7 +133,7 @@ def main():
             title=dict(required=True),
             description=dict(required=True),
             duration=dict(required=False, type='int'),
-            api_key=dict(required=True)
+            api_key=dict(required=True, no_log=True)
             )
         )
     annotation = create_annotation(module)