diff --git a/.forgejo/workflows/ci.yaml b/.forgejo/workflows/ci.yaml
index d3e72b4..03d9e87 100644
--- a/.forgejo/workflows/ci.yaml
+++ b/.forgejo/workflows/ci.yaml
@@ -9,10 +9,6 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         name: Checkout
-      - name: Set up Cachix
-        run: |
-            nix-env -iA nixpkgs.cachix nixpkgs.bash
-            cachix use $CACHIX_NAME
       - name: Build
         run: |
-          cachix watch-exec $CACHIX_NAME nix build
+          nix develop --command bash --command 'cachix use $CACHIX_NAME && cachix watch-exec $CACHIX_NAME nix build'
diff --git a/flake.nix b/flake.nix
index 42145c2..a94d972 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,7 +22,7 @@
 
         # For `nix develop`:
         devShell = pkgs.mkShell {
-          nativeBuildInputs = with pkgs; [ rustc cargo ];
+          nativeBuildInputs = with pkgs; [ rustc cargo cachix ];
         };
       }
     );