diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 6116e6d92..a1368ebd2 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -9,6 +9,9 @@ on:
       - "v[0-9]+.[0-9]+.[0-9]+" # Push events to matching v*, i.e. v1.0, v20.15.10
       - "v[0-9]+.[0-9]+.[0-9]+-rc*" # Push events to matching v*, i.e. v1.0-rc1, v20.15.10-rc5
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest