diff --git a/.github/workflows/BuildDockerOnTag-Prerelease.yml b/.github/workflows/BuildDockerOnTag-Prerelease.yml
index af532ec..9daacdc 100644
--- a/.github/workflows/BuildDockerOnTag-Prerelease.yml
+++ b/.github/workflows/BuildDockerOnTag-Prerelease.yml
@@ -6,6 +6,10 @@ on:
       - 'v[0-9]+.[0-9]+.[0-9]+-preview.[0-9]'
       - 'v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]'
 
+permissions:
+  contents: read
+  packages: write
+
 jobs:
   docker:
     runs-on: ubuntu-latest