diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f8b216b..16bbbe8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,6 +68,21 @@ jobs:
         run: |
           brew update
 
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+
+      - name: Pip setup
+        run: |
+          python -m pip install --upgrade pip
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+
+      - name: Build clang
+        id: make_build_clang
+        run: |
+          make run CC=clang
+
       - name: Build
         id: make_build
         run: |
@@ -77,16 +92,18 @@ jobs:
         id: make_build_runfast
         run: |
           make runfast
+      
+      - name: Test with pytest
+        run: pytest
+  
+
 
-      - name: Build clang
-        id: make_build_clang
-        run: |
-          make run CC=clang
 
   windows-latest-make:
     runs-on: windows-latest
 
     strategy:
+      fail-fast: false  #necessary, otherwise the matrix breaks 
       matrix:
         arch:
           - amd64
@@ -106,11 +123,30 @@ jobs:
         with:
           arch: ${{ matrix.arch }}
 
+      - name: Set up Python 3.10
+        if: matrix.arch != 'amd64_arm64'
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+  
+      - name: Pip setup
+        if: matrix.arch != 'amd64_arm64'
+        run: |
+          python -m pip install --upgrade pip
+          if (Test-Path requirements.txt) {
+            pip install -r requirements.txt
+          }
+
       - name: Build ${{ matrix.arch }}
         id: build_msvc
         run: |
           .\build_msvc.bat
 
+      #cross-comiled, cannot be run on host
+      - name: Test with pytest
+        if: matrix.arch != 'amd64_arm64'  
+        run: pytest        
+
   windows-latest-mingw:
     runs-on: windows-latest
 
@@ -135,6 +171,26 @@ jobs:
           install: mingw-w64-${{matrix.env}}-gcc make
 
       - name: Build ${{ matrix.sys }} ${{ matrix.env }}
-        id: build_mingw
+        id: build_mingw        
         run: |
           make win64
+      
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+    
+      - name: Pip setup
+        shell: powershell
+        run: |
+          python -m pip install --upgrade pip
+          if (Test-Path requirements.txt) {
+            pip install -r requirements.txt
+          }
+  
+      - name: Test with pytest
+        shell: powershell
+        run: pytest      
+
+
+    
\ No newline at end of file