diff --git a/.forgejo/workflows/test.yml b/.forgejo/workflows/test.yml
index 8243323..7d8d284 100644
--- a/.forgejo/workflows/test.yml
+++ b/.forgejo/workflows/test.yml
@@ -17,8 +17,8 @@ jobs:
       - uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: | # https://github.com/NixOS/nix/issues/11295 
-            sandbox = true
-      - run: nix profile install nixpkgs#devenv
+            sandbox = false
+      - run: nix --option sandbox false profile install nixpkgs#devenv
       - uses: rharkor/caching-for-turbo@v1.8
       - name: Run tests
         shell: devenv shell bash -- -e {0}