diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 1a11bf8..f2476c9 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -19,6 +19,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.4.0
+      - uses: cachix/install-nix-action@v16
+        name: Set up Nix and IOHK caches
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+          extra_nix_config: |
+            trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+            substituters = https://hydra.iohk.io https://iohk.cachix.org https://cache.nixos.org/
+            experimental-features = nix-command flakes
+      - uses: cachix/cachix-action@v10
+        with:
+          name: mlabs
+          authToken: ${{ secrets.CACHIX_KEY }}
 
       - run: ./.github/format.sh
         name: Run fourmolu
@@ -27,6 +39,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.4.0
+      - uses: cachix/install-nix-action@v16
+        name: Set up Nix and IOHK caches
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+          extra_nix_config: |
+            trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+            substituters = https://hydra.iohk.io https://iohk.cachix.org https://cache.nixos.org/
+            experimental-features = nix-command flakes
 
       - run: nix run nixpkgs#hlint -- $(git ls-tree -r HEAD --full-tree --name-only | grep -E '.*\.hs')
         name: Run hlint