diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8214b35..5f2936d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,7 +23,7 @@ jobs:
         USERNAME: tamipes
         UPLOAD_TOKEN: ${{ secrets.UPLOAD_TOKEN }}
         IMG_URL: git.tami.moe/tamipes/nix
-    - name: niks3 upload
-      uses: https://git.tami.moe/actions/niks3-upload@main
+    - uses: https://git.tami.moe/actions/niks3-upload@main
       with:
         token: ${{ secrets.NIKS3_TOKEN }}
+        pin: nix-container