diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 74a23e9..3bc7c1a 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -18,5 +18,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v16
+      - name: Setup Cachix
+        uses: cachix/cachix-action@v17
+        with:
+          name: tsirysndr
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
       - name: Build
         run: nix build -L
diff --git a/README.md b/README.md
index cf02843..0904ff5 100644
--- a/README.md
+++ b/README.md
@@ -211,6 +211,9 @@ A flake is provided — mpv is baked into the wrapper, so no extra install
 step is needed:
 
 ```bash
+# Use Cache
+cachix use tsirysndr
+
 # One-off run:
 nix run github:tsirysndr/fin