diff --git a/.github/workflows/pr_cockpit.yml b/.github/workflows/pr_cockpit.yml
index a0cee7e6..bda9a16a 100644
--- a/.github/workflows/pr_cockpit.yml
+++ b/.github/workflows/pr_cockpit.yml
@@ -87,7 +87,7 @@ jobs:
         uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
         with:
           submodules: recursive
-
+      - uses: cachix/install-nix-action@6004951b182f8860210c8d6f0d808ec5b1a33d28 # tag=v25
       - name: Setup Rust
         uses: dtolnay/rust-toolchain@0e66bd3e6b38ec0ad5312288c83e47c143e6b09e # v1
         with: