diff --git a/.github/workflows/nix-build.yml b/.github/workflows/nix-build.yml
index 82d96b2..c8577b0 100644
--- a/.github/workflows/nix-build.yml
+++ b/.github/workflows/nix-build.yml
@@ -5,6 +5,7 @@ on:
 jobs:
   checks:
     runs-on: ubuntu-latest
+    name: Nix checks
     steps:
     - uses: actions/checkout@v3
     - uses: cachix/install-nix-action@v20
@@ -15,6 +16,7 @@ jobs:
     - run: nix flake check -L
 
   build:
+    needs: checks
     name: ${{ matrix.attribute }} / ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
@@ -28,4 +30,29 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - uses: cachix/install-nix-action@v20
-    - run: nix build "${{matrix.attribute}}" -L
+    - run: nix build --accept-flake-config "${{matrix.attribute}}" -L
+
+  tests:
+    needs: build
+    runs-on: ubuntu-latest
+    name: Integration test
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+      - uses: cachix/cachix-action@v12
+        with:
+          name: mrcjkb
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Run integration tests
+        run: |
+          nix profile install --accept-flake-config ".#neorocks"
+          cd testproject
+          luarocks init
+          luarocks config --scope project lua_interpreter neorocks
+          luarocks test
+          rm -r lua_modules/ .luarocks/ luarocks
+          luarocks init
+          luarocks config --scope project lua_interpreter neorocks-nightly
+          luarocks test
+        shell: bash
diff --git a/nix/overlay.nix b/nix/overlay.nix
index c11973d..f8193e6 100644
--- a/nix/overlay.nix
+++ b/nix/overlay.nix
@@ -68,15 +68,19 @@ with final.lib; let
     nativeBuildInputs = with final; [pkgs.makeWrapper pkgs.installShellFiles luajit pkgs.unzip];
   });
 
-  neorocks = final.pkgs.symlinkJoin {
-    name = "neorocks";
-    paths = [
+  neorocks = final.pkgs.writeShellApplication {
+    name = "luarocks";
+    runtimeInputs = [
       luarocks
       luajit
       luajit.pkgs.dkjson
       neolua-stable-wrapper
       neolua-nightly-wrapper
     ];
+    checkPhase = "";
+    text = ''
+      luarocks "$@";
+    '';
   };
 in {
   inherit