diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index a3ac988..a1345cc 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -10,6 +10,8 @@ on:
 jobs:
   docs:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
       - uses: actions/checkout@v6
       - uses: NixOS/nix-installer-action@main