diff --git a/.github/workflows/basic-ci.yml b/.github/workflows/basic-ci.yml
index ae6a889..67a5205 100644
--- a/.github/workflows/basic-ci.yml
+++ b/.github/workflows/basic-ci.yml
@@ -29,7 +29,10 @@ jobs:
         working-directory: ./backend_api_python
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          # Install dependencies, excluding Windows-only packages (MetaTrader5)
+          # MetaTrader5 is Windows-only and not available on Linux, so we filter it out
+          grep -v "MetaTrader5" requirements.txt > /tmp/requirements_ci.txt
+          pip install -r /tmp/requirements_ci.txt
           # Install dependencies to verify they are installable and enable import checks.
 
       - name: Python syntax check
diff --git a/backend_api_python/requirements-windows.txt b/backend_api_python/requirements-windows.txt
new file mode 100644
index 0000000..6f13ad4
--- /dev/null
+++ b/backend_api_python/requirements-windows.txt
@@ -0,0 +1,6 @@
+# Windows-specific optional dependencies
+# Install these on Windows systems that need MT5 trading support:
+# pip install -r requirements-windows.txt
+
+# MetaTrader 5 trading (Windows only, for forex trading via MT5 terminal)
+MetaTrader5>=5.0.45
diff --git a/backend_api_python/requirements.txt b/backend_api_python/requirements.txt
index b55a201..f51e72b 100644
--- a/backend_api_python/requirements.txt
+++ b/backend_api_python/requirements.txt
@@ -14,4 +14,6 @@ python-dotenv>=1.0.1
 # Interactive Brokers trading (optional, for US/HK stock trading via TWS/IB Gateway)
 ib_insync>=0.9.86
 # MetaTrader 5 trading (optional, for forex trading via MT5 terminal, Windows only)
-MetaTrader5>=5.0.45
\ No newline at end of file
+# Note: MetaTrader5 is Windows-only and not available on Linux/macOS
+# Install separately on Windows: pip install MetaTrader5>=5.0.45
+# MetaTrader5>=5.0.45
\ No newline at end of file