diff --git a/.github/workflows/publish-firmware.yml b/.github/workflows/publish-firmware.yml
index 847a03e..75625a7 100644
--- a/.github/workflows/publish-firmware.yml
+++ b/.github/workflows/publish-firmware.yml
@@ -4,6 +4,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: write
+
 jobs:
   build-firmware:
     name: Build Firmware