diff --git a/.github/workflows/prebuilt_devcontainer.yml b/.github/workflows/prebuilt_devcontainer.yml
index 7f417ec3..622a1c15 100644
--- a/.github/workflows/prebuilt_devcontainer.yml
+++ b/.github/workflows/prebuilt_devcontainer.yml
@@ -7,6 +7,11 @@ on: # rebuild any PRs and main branch changes
   push:
     branches:
       - main
+      
+permissions:
+  contents: read
+  id-token: write
+  packages: write
 
 env:
   REGISTRY: ghcr.io