diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index 94045f9..b4210a5 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -10,11 +10,11 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2.3.4
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v27
       with:
         nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/08ef0f28e3a41424b92ba1d203de64257a9fca6a.tar.gz
     - name: Install dependencies in environment
-      run: nix-env -if integration_test/default.nix
+      run: nix-env --install integration_test/default.nix
     - name: Validate integration test manifest
       run: kustomize build integration_test
       # | kubeconform -strict -kubernetes-version 1.17.9
@@ -26,12 +26,12 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v27
       with:
         nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/08ef0f28e3a41424b92ba1d203de64257a9fca6a.tar.gz
 
     - name: Install dependencies
-      run: nix-env -if integration_test/default.nix
+      run: nix-env ---install integration_test/default.nix
 
     - name: Start cluster
       run: minikube start --driver=docker --kubernetes-version=v1.21.5