diff --git a/.github/workflows/docker_smoke.yml b/.github/workflows/docker_smoke.yml
index f88b1b4..73f4c44 100644
--- a/.github/workflows/docker_smoke.yml
+++ b/.github/workflows/docker_smoke.yml
@@ -7,6 +7,9 @@ on:
     branches: [ "*" ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   smoke:
     runs-on: ubuntu-24.04