diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 2f006ef..3245f4a 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -11,11 +11,16 @@ env:
   BUILD_TYPE: Debug
 
 jobs:
-  build:
+  build-and-test:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-13
     # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
     # You can convert this to a matrix build if you need cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@v3
@@ -34,4 +39,3 @@ jobs:
       # Execute tests defined by the CMake configuration.
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
       run: ctest -C ${{env.BUILD_TYPE}} --output-on-failure
-
diff --git a/include/semverutil/semver.hpp b/include/semverutil/semver.hpp
index e4d5379..9472782 100644
--- a/include/semverutil/semver.hpp
+++ b/include/semverutil/semver.hpp
@@ -5,6 +5,7 @@
 #include "./utils.hpp"
 #include "semverutil/config.hpp"
 #include <array>
+#include <cinttypes>
 #include <cstring>
 #include <optional>
 #include <string>
@@ -17,7 +18,7 @@ namespace semver
 {
 struct SemVer
 {
-    std::array<uint32_t, 4> version;
+    std::array<std::uint32_t, 4> version;
     std::string prerelease;
     std::string metadata;