diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index 1ad6df5..c761d0a 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -26,5 +26,6 @@ jobs:
 
       - name: Build and Push with Cachix
         run: |
+          nix develop
           set -e
-          nix build | cachix push larstvei
+          nix build --json | jq -r '.[].outputs | to_entries[].value' | cachix push larstvei
diff --git a/flake.nix b/flake.nix
index 9b92421..ca95673 100644
--- a/flake.nix
+++ b/flake.nix
@@ -43,5 +43,7 @@
           extraEmacsPackages = epkgs:
             [ epkgs.treesit-grammars.with-all-grammars ];
         };
+
+        devShell = pkgs.mkShell { buildInputs = [ pkgs.jq ]; };
       });
 }