diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 18dd522b0..8568ad1f2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -137,6 +137,10 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
     steps:
       - uses: actions/checkout@v3
       - uses: cachix/install-nix-action@v23