diff --git a/.github/workflows/publiccode-yml-validation.yml b/.github/workflows/publiccode-yml-validation.yml
index 8d9609cf..40a75f9a 100644
--- a/.github/workflows/publiccode-yml-validation.yml
+++ b/.github/workflows/publiccode-yml-validation.yml
@@ -2,6 +2,9 @@ name: publiccode.yml validation
 
 on: [pull_request, push]
 
+permissions:
+  contents: read
+
 jobs:
   publiccode_yml_validation:
     runs-on: ubuntu-latest