diff --git a/.github/workflows/docker-tests.yml b/.github/workflows/docker-tests.yml
index 1ff4b1e..484f492 100644
--- a/.github/workflows/docker-tests.yml
+++ b/.github/workflows/docker-tests.yml
@@ -7,6 +7,9 @@ on:
     branches: [ master ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   docker_tests:
     if: github.event.pull_request.draft == false