diff --git a/Makefile b/Makefile
index 0749122..c1d9b98 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ lint:
 
 # show the slowest unit tests
 slow:
-	pytest --durations=0
+	pytest --durations=5
 
 # run the coverage report and open results in a browser
 cov:
diff --git a/meshtastic/tests/test_tunnel.py b/meshtastic/tests/test_tunnel.py
index 05b53e9..d7dc611 100644
--- a/meshtastic/tests/test_tunnel.py
+++ b/meshtastic/tests/test_tunnel.py
@@ -39,7 +39,7 @@ def test_Tunnel_without_interface(mock_platform_system, reset_globals):
     assert pytest_wrapped_e.type == Exception
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 @patch('platform.system')
 def test_Tunnel_with_interface(mock_platform_system, caplog, reset_globals, iface_with_nodes):
     """Test that we can not instantiate a Tunnel without a valid interface"""
@@ -58,7 +58,7 @@ def test_Tunnel_with_interface(mock_platform_system, caplog, reset_globals, ifac
     assert re.search(r'Not sending packet', caplog.text, re.MULTILINE)
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 @patch('platform.system')
 def test_onTunnelReceive_from_ourselves(mock_platform_system, caplog, reset_globals, iface_with_nodes):
     """Test onTunnelReceive"""
diff --git a/meshtastic/tests/test_util.py b/meshtastic/tests/test_util.py
index 23bf371..0cb0ffe 100644
--- a/meshtastic/tests/test_util.py
+++ b/meshtastic/tests/test_util.py
@@ -41,7 +41,7 @@ def test_fromStr():
     assert fromStr('abc') == 'abc'
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_quoteBooleans():
     """Test quoteBooleans"""
     assert quoteBooleans('') == ''
@@ -94,7 +94,7 @@ def test_pskToString_one_byte_non_zero_value():
     assert pskToString(bytes([0x01])) == 'default'
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_pskToString_many_bytes():
     """Test pskToString many bytes"""
     assert pskToString(bytes([0x02, 0x01])) == 'secret'
@@ -106,7 +106,7 @@ def test_pskToString_simple():
     assert pskToString(bytes([0x03])) == 'simple2'
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_our_exit_zero_return_value():
     """Test our_exit with a zero return value"""
     with pytest.raises(SystemExit) as pytest_wrapped_e:
@@ -154,7 +154,7 @@ def test_catchAndIgnore(caplog):
     assert re.search(r'Exception thrown in something', caplog.text, re.MULTILINE)
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_remove_keys_from_dict_empty_keys_empty_dict():
     """Test when keys and dict both are empty"""
     assert not remove_keys_from_dict((), {})
@@ -178,7 +178,7 @@ def test_remove_keys_from_dict():
     assert remove_keys_from_dict(('b'), {'a':1, 'b':2}) == {'a':1}
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_Timeout_not_found():
     """Test Timeout()"""
     to = Timeout(0.2)
@@ -186,7 +186,7 @@ def test_Timeout_not_found():
     to.waitForSet('bar', attrs)
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_Timeout_found():
     """Test Timeout()"""
     to = Timeout(0.2)
@@ -194,7 +194,7 @@ def test_Timeout_found():
     to.waitForSet('bar', attrs)
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_hexstr():
     """Test hexstr()"""
     assert hexstr(b'123') == '31:32:33'
@@ -208,7 +208,7 @@ def test_ipstr():
     assert ipstr(b'') == ''
 
 
-@pytest.mark.unit
+@pytest.mark.unitslow
 def test_readnet_u16():
     """Test readnet_u16()"""
     assert readnet_u16(b'123456', 2) == 13108