diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36a9fc374..daa10fea7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,6 +61,12 @@ jobs:
     - name: Tests
       run: |
         pytest --random-order --cov=freqtrade --cov-config=.coveragerc
+      if: matrix.python-version != '3.9'
+
+    - name: Tests incl. ccxt compatibility tests
+      run: |
+        pytest --random-order --cov=freqtrade --cov-config=.coveragerc --longrun
+      if: matrix.python-version == '3.9'
 
     - name: Coveralls
       if: (startsWith(matrix.os, 'ubuntu-20') && matrix.python-version == '3.8')
diff --git a/tests/conftest.py b/tests/conftest.py
index a57b8c505..9eda0e973 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -33,6 +33,19 @@ logging.getLogger('').setLevel(logging.INFO)
 np.seterr(all='raise')
 
 
+def pytest_addoption(parser):
+    parser.addoption('--longrun', action='store_true', dest="longrun",
+                     default=False, help="Enable long-run tests (ccxt compat)")
+
+
+def pytest_configure(config):
+    config.addinivalue_line(
+        "markers", "longrun: mark test that is running slowly and should not be run regularily"
+    )
+    if not config.option.longrun:
+        setattr(config.option, 'markexpr', 'not longrun')
+
+
 def log_has(line, logs):
     # caplog mocker returns log as a tuple: ('freqtrade.something', logging.WARNING, 'foobar')
     # and we want to match line against foobar in the tuple
diff --git a/tests/exchange/test_ccxt_compat.py b/tests/exchange/test_ccxt_compat.py
index 09cc50f14..90cdebcdd 100644
--- a/tests/exchange/test_ccxt_compat.py
+++ b/tests/exchange/test_ccxt_compat.py
@@ -50,6 +50,7 @@ def exchange(request, exchange_conf):
     yield exchange, request.param
 
 
+@pytest.mark.longrun
 class TestCCXTExchange():
 
     def test_load_markets(self, exchange):