diff --git a/library/cloud/gce_pd b/library/cloud/gce_pd
index 04083aa89eb..e5ea6cc4ad8 100644
--- a/library/cloud/gce_pd
+++ b/library/cloud/gce_pd
@@ -76,21 +76,21 @@ options:
     default: "us-central1-b"
     aliases: []
   service_account_email:
-    version_added: 1.5.1
+    version_added: "1.6"
     description:
       - service account email
     required: false
     default: null
     aliases: []
   pem_file:
-    version_added: 1.5.1
+    version_added: "1.6"
     description:
       - path to the pem file associated with the service account email
     required: false
     default: null
     aliases: []
   project_id:
-    version_added: 1.5.1
+    version_added: "1.6"
     description:
       - your GCE project ID
     required: false