diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index ec32c0b9..0406a743 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -8,6 +8,9 @@ on:
       - master
   workflow_dispatch:
 
+permissions:
+  contents: write
+
 jobs:
   build_webpage:
     name: Build webpage