diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ed6627..ed03d21 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,11 +45,22 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
 
   fixtures:
-    name: Test fixtures
-    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - name: Linux
+            runner: ubuntu-22.04
+          - name: macOS
+            runner: macos-12
+    name: Test fixtures [${{ matrix.os.name }}]
+    runs-on: ${{ matrix.os.runner }}
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
+      - name: Install coreutils for MacOS
+        if: matrix.os.name == 'macOS'
+        run: brew install coreutils
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
       - name: Build the project
diff --git a/fixtures/README.md b/fixtures/README.md
index 023af52..6158d7a 100644
--- a/fixtures/README.md
+++ b/fixtures/README.md
@@ -7,6 +7,9 @@ This directory contains the [test fixtures](https://en.wikipedia.org/wiki/Test_f
 1. Build the project in debug mode: `cargo build`
 2. Execute the runner script in this directory: `./test-fixtures.sh`
 
+On `macOS` you need to have [coreutils](https://www.gnu.org/software/coreutils/) installed to run the script. 
+The simplest way is to install it via [Homebrew](https://brew.sh/): `brew install coreutils`
+
 ### Adding new fixtures
 
 Create an appropriately named directory for the test fixture you want to add. e.g. `test-file-upload`