diff --git a/.github/workflows/test-suite.yaml b/.github/workflows/test-suite.yaml
index ae460637..ca852035 100644
--- a/.github/workflows/test-suite.yaml
+++ b/.github/workflows/test-suite.yaml
@@ -1,5 +1,8 @@
 name: Test suite
-
+env:
+  ALLOWED_URIS: "https://github.com https://api.github.com"
+  TRUSTED_PUBLIC_KEYS: "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= marlowe-temp.cachix.org-1:1gPjVFpu4QjaAT3tRurCioX+BC23V7mjvFwpP5bV0Ec= loony-tools:pr9m4BkM/5/eSTZlkQyRt57Jz7OMBxNSUiMC4FkcNfk="
+  SUBSTITUTERS: "https://cache.nixos.org/ https://cache.iog.io https://marlowe-temp.cachix.org https://cache.zw3rk.com/"
 on:
   pull_request:
     types:
@@ -7,17 +10,21 @@ on:
       - synchronize
 
 jobs:
-  check-changelog:
+  test-suite:
     runs-on: ubuntu-latest
     steps:
       - name: 📥 Checkout repository
         uses: actions/checkout@v3.3.0
-
-      - name: 🧰 Setup nix
+      - name: 🐣 Install Nix
         uses: cachix/install-nix-action@v22
         with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
-
+          nix_path: nixpkgs=channel:nixos-unstable
+          install_url: https://releases.nixos.org/nix/nix-2.10.3/install
+          extra_nix_config: |
+            allowed-uris = ${{ env.ALLOWED_URIS }}
+            trusted-public-keys = ${{ env.TRUSTED_PUBLIC_KEYS }}
+            substituters = ${{ env.SUBSTITUTERS }}
+            experimental-features = nix-command flakes
       - name: 🔨 Build project
         run: |
           nix develop --show-trace --command bash -c "npm i && npm run build"
diff --git a/package.json b/package.json
index 4ea5a0e2..98c2deaa 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   ],
   "license": "Apache-2.0",
   "scripts": {
-    "build": "tsc --build && shx mkdir -p dist && rollup --config rollup/config.mjs",
+    "build": "tsc --version && tsc --build && shx mkdir -p dist && rollup --config rollup/config.mjs",
     "clean": "npm run clean --workspaces && shx rm -rf dist",
     "test": "NODE_OPTIONS='--experimental-vm-modules --no-warnings' jest",
     "docs": "typedoc .",