diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index edc2f938..1f73be14 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -5,38 +5,40 @@ on:
     - 'docs/**'
 
 jobs:
-  linux:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v1
-    - name: make test
-      run: make test
+  # linux:
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #   - uses: actions/checkout@v1
+  #   - name: make test
+  #     run: make test
 
-  mac:
+  mac_openssl_tsan:
     runs-on: macOS-latest
     steps:
     - uses: actions/checkout@v1
+    - name: install openssl
+      run: brew install openssl
     - name: make test
-      run: make test
+      run: make test_tsan_openssl
 
-  tsan:
-    runs-on: macOS-latest
-    steps:
-    - uses: actions/checkout@v1
-    - name: make test_tsan
-      run: make test_tsan
+      # tsan:
+      #   runs-on: macOS-latest
+      #   steps:
+      #   - uses: actions/checkout@v1
+      #   - name: make test_tsan
+      #     run: make test_tsan
 
-  win:
-    runs-on: windows-latest
-    steps:
-    - uses: actions/checkout@v1
-    - uses: seanmiddleditch/gha-setup-vsdevenv@master
-    - run: |
-        mkdir build
-        cd build
-        cmake -DCMAKE_CXX_COMPILER=cl.exe -DUSE_WS=1 -DUSE_TEST=1 ..
-    - run: cmake --build build
+      # win:
+      #   runs-on: windows-latest
+      #   steps:
+      #   - uses: actions/checkout@v1
+      #   - uses: seanmiddleditch/gha-setup-vsdevenv@master
+      #   - run: |
+      #       mkdir build
+      #       cd build
+      #       cmake -DCMAKE_CXX_COMPILER=cl.exe -DUSE_WS=1 -DUSE_TEST=1 ..
+      #   - run: cmake --build build
 
-    # Running the unittest does not work
-    #- run: ../build/test/ixwebsocket_unittest.exe
-    # working-directory: test
+      #   # Running the unittest does not work
+      #   #- run: ../build/test/ixwebsocket_unittest.exe
+      #   # working-directory: test
diff --git a/makefile b/makefile
index 44c4fc77..9e21dfa3 100644
--- a/makefile
+++ b/makefile
@@ -105,6 +105,11 @@ test_asan:
 	(cd build/test ; ln -sf Debug/ixwebsocket_unittest)
 	(cd test ; python2.7 run.py -r)
 
+test_tsan_openssl:
+	mkdir -p build && (cd build && cmake -GXcode -DCMAKE_BUILD_TYPE=Debug -DUSE_TLS=1 -DUSE_TEST=1 -DUSE_OPEN_SSL=1 .. && xcodebuild -project ixwebsocket.xcodeproj -target ixwebsocket_unittest -enableThreadSanitizer YES)
+	(cd build/test ; ln -sf Debug/ixwebsocket_unittest)
+	(cd test ; python2.7 run.py -r)
+
 test_openssl:
 	mkdir -p build && (cd build ; cmake -DCMAKE_BUILD_TYPE=Debug -DUSE_TLS=1 -DUSE_OPEN_SSL=1 -DUSE_TEST=1 .. ; make -j 4)
 	(cd test ; python2.7 run.py -r)