diff --git a/deployhooks.md b/deployhooks.md
index 7c09d85..9054ef9 100644
--- a/deployhooks.md
+++ b/deployhooks.md
@@ -1180,6 +1180,8 @@ Multideploy allows you to deploy your certificates to multiple services, even th
 | <= 3.1.0            | not supported           | ❌                      |
 | dev                 | 1.0                     | ![GitHub issue/pull request detail](https://img.shields.io/github/pulls/detail/state/acmesh-official/acme.sh/6241?style=flat-square&label=Pending%20changes) |
 
+`yq` needs to be installed to read the deploy file. A tested version is [yq-go:v4.50](https://github.com/mikefarah/yq)
+
 <details>
   <summary>Version 1.0
  </summary>