diff --git a/README.md b/README.md
index b22c874..3842710 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,5 @@
 Create a dynamic Silverstripe CI matrix
 
 Only intended to be used within [gha-ci](https://github.com/silverstripe/gha-ci). See that repository for details on inputs.
+
+GitHub job permissions required: `none` for public repositories, `contents:read,pull-requests:read` for private repositories.