diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index 38d3306afce..fce58f155b9 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -128,7 +128,7 @@ jobs:
       CC: clang
     strategy:
       matrix:
-        os: [ubuntu-20.04]
+        os: [ubuntu-20.04, macos-13]
       fail-fast: false
     steps:
       - name: Install Linux Dependencies
@@ -195,20 +195,36 @@ jobs:
       CC: clang
     strategy:
       matrix:
-        os: [ubuntu-20.04]
+        os: [ubuntu-20.04, macos-13]
     steps:
-      - name: Install Dependencies
+      - name: Install Linux Dependencies
+        if: runner.os == 'Linux'
         shell: bash
         run: |
           sudo apt-get update
-          sudo apt-get install gperf build-essential bison flex libreadline-dev gawk tcl-dev libffi-dev git graphviz xdot pkg-config python3 libboost-system-dev libboost-python-dev libboost-filesystem-dev zlib1g-dev
+          sudo apt-get install gperf build-essential bison flex libreadline-dev gawk tcl-dev libffi-dev git graphviz xdot pkg-config python python3 libboost-system-dev libboost-python-dev libboost-filesystem-dev zlib1g-dev
+
+      - name: Install macOS Dependencies
+        if: runner.os == 'macOS'
+        run: |
+          brew install bison flex gawk libffi pkg-config bash
 
-      - name: Runtime environment
+      - name: Linux runtime environment
+        if: runner.os == 'Linux'
         shell: bash
         run: |
           echo "${{ github.workspace }}/.local/bin" >> $GITHUB_PATH
           echo "procs=$(nproc)" >> $GITHUB_ENV
 
+      - name: macOS runtime environment
+        if: runner.os == 'macOS'
+        shell: bash
+        run: |
+          echo "${{ github.workspace }}/.local/bin" >> $GITHUB_PATH
+          echo "$(brew --prefix bison)/bin" >> $GITHUB_PATH
+          echo "$(brew --prefix flex)/bin" >> $GITHUB_PATH
+          echo "procs=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV
+
       - name: Checkout Yosys
         uses: actions/checkout@v4