diff --git a/changelogs/fragments/add-workflow-job-template-webhook-key.yml b/changelogs/fragments/add-workflow-job-template-webhook-key.yml
new file mode 100644
index 0000000..986021f
--- /dev/null
+++ b/changelogs/fragments/add-workflow-job-template-webhook-key.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - workflow_job_template - add the ``webhook_key`` parameter to set the shared secret the webhook service uses to sign requests, matching the existing ``webhook_service``/``webhook_credential`` support.
diff --git a/plugins/modules/workflow_job_template.py b/plugins/modules/workflow_job_template.py
index 5e804c1..a5fc870 100644
--- a/plugins/modules/workflow_job_template.py
+++ b/plugins/modules/workflow_job_template.py
@@ -114,6 +114,11 @@
       description:
         - Personal Access Token for posting back the status to the service API
       type: str
+    webhook_key:
+      description:
+        - Shared secret that the webhook service will use to sign requests.
+        - Leave this unset to leave the server value untouched, or set it to an empty string to have the server generate a new one when the webhook service is set.
+      type: str
     survey_enabled:
       description:
         - Setting that variable will prompt the user for job type on the
@@ -824,6 +829,7 @@ def main():
         ask_limit_on_launch=dict(type='bool'),
         webhook_service=dict(choices=['github', 'gitlab', 'bitbucket_dc', '']),
         webhook_credential=dict(),
+        webhook_key=dict(no_log=True),
         labels=dict(type="list", elements='str'),
         notification_templates_started=dict(type="list", elements='str'),
         notification_templates_success=dict(type="list", elements='str'),
@@ -902,6 +908,7 @@ def main():
         'ask_tags_on_launch',
         'ask_skip_tags_on_launch',
         'webhook_service',
+        'webhook_key',
         'job_tags',
         'skip_tags',
     ):