diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index ff424a04..a54e501b 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -8,20 +8,20 @@ on:
 
 jobs:
   build:
-    name: 'PHP ${{ matrix.php.branch }}'
+    name: "PHP ${{ matrix.php.branch }}"
     runs-on: ubuntu-latest
     strategy:
       matrix:
         php:
-          - branch: '8.2'
-          - branch: '8.1'
-          - branch: '8.0'
-          - branch: '7.4'
-          - branch: '7.3'
-          - branch: '7.2'
-          - branch: '7.1'
-          - branch: '7.0'
-          - branch: '5.6'
+          - branch: "8.2"
+          - branch: "8.1"
+          - branch: "8.0"
+          - branch: "7.4"
+          - branch: "7.3"
+          - branch: "7.2"
+          - branch: "7.1"
+          - branch: "7.0"
+          - branch: "5.6"
       # We want to fix failures individually.
       fail-fast: false
     steps:
@@ -34,7 +34,7 @@ jobs:
         uses: cachix/cachix-action@v12
         with:
           name: fossar
-          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
 
       - name: Set job parameters
         id: params
diff --git a/.github/workflows/editorconfig-checks.yaml b/.github/workflows/editorconfig-checks.yaml
index 090d638c..0ec3635d 100644
--- a/.github/workflows/editorconfig-checks.yaml
+++ b/.github/workflows/editorconfig-checks.yaml
@@ -10,7 +10,8 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
+      - name: Install Nix
+        uses: cachix/install-nix-action@v18
+
       - name: Check files for EditorConfig compliance
-        uses: editorconfig-checker/action-editorconfig-checker@d4fca16fc71adef10fbe101903b654449fa9570c # untagged main
-        with:
-          version: 2.7.0
+        run: nix run nixpkgs#nodePackages.prettier -- --check .