diff --git a/.github/workflows/build_linux.yml b/.github/workflows/build_linux.yml
index 62ce1ca0..5bd1d200 100644
--- a/.github/workflows/build_linux.yml
+++ b/.github/workflows/build_linux.yml
@@ -1,5 +1,5 @@
 name: "Builds for Linux"
-on: push
+on: [push, pull_request]
 
 jobs:
   build:
diff --git a/.github/workflows/build_macos.yml b/.github/workflows/build_macos.yml
new file mode 100644
index 00000000..210441d1
--- /dev/null
+++ b/.github/workflows/build_macos.yml
@@ -0,0 +1,41 @@
+name: "Builds for MacOS"
+on: [push, pull_request] 
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Install dependencies
+        run: |
+          brew update
+          brew install doxygen
+      - name: Build
+        run: |
+          rm -rf build.paho
+          mkdir build.paho
+          cd build.paho
+          echo "pwd $PWD"
+          cmake -DPAHO_BUILD_STATIC=FALSE -DPAHO_BUILD_SHARED=TRUE -DCMAKE_BUILD_TYPE=Debug -DPAHO_WITH_SSL=TRUE -DOPENSSL_ROOT_DIR= -DPAHO_BUILD_DOCUMENTATION=FALSE -DPAHO_BUILD_SAMPLES=TRUE -DPAHO_HIGH_PERFORMANCE=TRUE ..
+          cmake --build .
+      - name: Start test broker
+        run: |
+          git clone https://github.com/eclipse/paho.mqtt.testing.git
+          cd paho.mqtt.testing/interoperability
+          python3 startbroker.py -c localhost_testing.conf &
+      - name: Start test proxy
+        run: |
+          python3 test/mqttsas.py &
+      - name: run tests
+        run: |
+          cd build.paho
+          ctest -VV --timeout 600
+      - name: clean up
+        run: |
+          killall python3 || true
+          sleep 3 # allow broker time to terminate and report
+      - name: package
+        run: |
+          cd build.paho
+          cpack --verbose
diff --git a/.github/workflows/covsync.yml b/.github/workflows/covsync.yml
index 02578c57..72e41138 100644
--- a/.github/workflows/covsync.yml
+++ b/.github/workflows/covsync.yml
@@ -14,4 +14,5 @@ jobs:
           fetch-depth: 0
       - run: |
           git checkout -b coverity-develop origin/develop
+          git pull origin coverity-develop	
           git push origin coverity-develop