diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 030dfcc..1653aae 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -14,6 +14,12 @@ jobs:
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
       - name: Build Nix
         run: nix build -j8 .#devShells.x86_64-linux.default
+      - name: Zig Cache
+        uses: actions/cache@v4
+        with:
+          path: rose-zig/zig-cache
+          key: ${{ runner.os }}-rose-zig
+          save-always: true
       - name: Typecheck
         if: success() || failure() # Means that we run all steps even if one fails.
         run: nix develop --command make typecheck