diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index dd69c2940..f643007b1 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -21,10 +21,12 @@ on:
 
 jobs:
   regression:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
+        os: [ubuntu-latest, macos-latest]
+
         CI_NODE_INDEX: [0, 1, 2, 3, 4]
 
     steps:
@@ -32,6 +34,14 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Set up firefox for macos
+        if: matrix.os == 'macos-latest'
+        run: |
+          brew install firefox
+          # Install GNU grep to use 'grep -P'
+          brew install grep
+          echo "/opt/homebrew/opt/grep/libexec/gnubin" >> $GITHUB_PATH
+
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
diff --git a/scripts/regression-tests.sh b/scripts/regression-tests.sh
index b35ede6fd..8997be2a3 100755
--- a/scripts/regression-tests.sh
+++ b/scripts/regression-tests.sh
@@ -17,7 +17,9 @@ EXAMPLE_INFRA=$(echo "$EXAMPLE_DIRS" | grep -P '^(js|css)$')
 
 PACKAGE_UPDATE=$(git diff --name-only $COMMIT_RANGE | grep -P 'package(-lock)?\.json')
 
-if [[ $TEST_INFRA || $EXAMPLE_INFRA || $PACKAGE_UPDATE ]]
+REGRESSION_WORKFLOW_UPDATE=$(git diff --name-only $COMMIT_RANGE | grep -P '.github/workflows/regression.yml')
+
+if [[ $TEST_INFRA || $EXAMPLE_INFRA || $PACKAGE_UPDATE || $REGRESSION_WORKFLOW_UPDATE ]]
 then
 
     # If the example/js or example/css directories or the test/index.js or the test/utils.js