diff --git a/qtconsole/ansi_code_processor.py b/qtconsole/ansi_code_processor.py
index 1caec54c..063c9067 100644
--- a/qtconsole/ansi_code_processor.py
+++ b/qtconsole/ansi_code_processor.py
@@ -61,7 +61,7 @@ class AnsiCodeProcessor(object):
 
     # Whether to increase intensity or set boldness for SGR code 1.
     # (Different terminals handle this in different ways.)
-    bold_text_enabled = False
+    bold_text_enabled = True
 
     # We provide an empty default color map because subclasses will likely want
     # to use a custom color format.
@@ -327,7 +327,7 @@ class QtAnsiCodeProcessor(AnsiCodeProcessor):
         0  : 'black',       # black
         1  : 'darkred',     # red
         2  : 'darkgreen',   # green
-        3  : 'brown',       # yellow
+        3  : 'gold',       # yellow
         4  : 'darkblue',    # blue
         5  : 'darkviolet',  # magenta
         6  : 'steelblue',   # cyan
diff --git a/qtconsole/tests/test_ansi_code_processor.py b/qtconsole/tests/test_ansi_code_processor.py
index 0bba7b51..2b7dd71f 100644
--- a/qtconsole/tests/test_ansi_code_processor.py
+++ b/qtconsole/tests/test_ansi_code_processor.py
@@ -2,13 +2,14 @@
 import unittest
 
 # Local imports
-from qtconsole.ansi_code_processor import AnsiCodeProcessor
+from qtconsole.ansi_code_processor import AnsiCodeProcessor, QtAnsiCodeProcessor
 
 
 class TestAnsiCodeProcessor(unittest.TestCase):
 
     def setUp(self):
         self.processor = AnsiCodeProcessor()
+        self.qt_processor = QtAnsiCodeProcessor()
 
     def test_clear(self):
         """ Do control sequences for clearing the console work?
@@ -37,7 +38,7 @@ def test_clear(self):
     def test_colors(self):
         """ Do basic controls sequences for colors work?
         """
-        string = 'first\x1b[34mblue\x1b[0mlast'
+        string = 'first\x1b[34mblue\x1b[0mlast\033[33mYellow'
         i = -1
         for i, substring in enumerate(self.processor.split_string(string)):
             if i == 0:
@@ -49,9 +50,14 @@ def test_colors(self):
             elif i == 2:
                 self.assertEqual(substring, 'last')
                 self.assertEqual(self.processor.foreground_color, None)
+            elif i == 3:
+                foreground_color = self.processor.foreground_color
+                self.assertEqual(substring, 'Yellow')
+                self.assertEqual(foreground_color, 3)
+                self.assertEqual(self.qt_processor.get_color(foreground_color).name(), '#ffd700')
             else:
                 self.fail('Too many substrings.')
-        self.assertEqual(i, 2, 'Too few substrings.')
+        self.assertEqual(i, 3, 'Too few substrings.')
 
     def test_colors_xterm(self):
         """ Do xterm-specific control sequences for colors work?
diff --git a/qtconsole/tests/test_comms.py b/qtconsole/tests/test_comms.py
index ec76e580..d12c17b5 100644
--- a/qtconsole/tests/test_comms.py
+++ b/qtconsole/tests/test_comms.py
@@ -1,3 +1,4 @@
+import os
 import time
 from queue import Empty
 import unittest
@@ -11,6 +12,9 @@ class Tests(unittest.TestCase):
 
     def setUp(self):
         """Open a kernel."""
+        # Prevent tests assertions related with message type from failing
+        # due to a debug warning
+        os.environ['PYDEVD_DISABLE_FILE_VALIDATION'] = '1'
         self.kernel_manager = QtKernelManager()
         self.kernel_manager.start_kernel()
         self.kernel_client = self.kernel_manager.client()
diff --git a/requirements/environment.yml b/requirements/environment.yml
index a3d7a5dc..b3681528 100644
--- a/requirements/environment.yml
+++ b/requirements/environment.yml
@@ -9,7 +9,6 @@ dependencies:
 - jupyter_client
 - pygments
 - ipykernel
-- pyzmq >=17.1
 
 # For testing
 - coveralls
diff --git a/setup.py b/setup.py
index a5968e6d..47b8729e 100644
--- a/setup.py
+++ b/setup.py
@@ -71,7 +71,6 @@
         'pygments',
         'ipykernel>=4.1', # not a real dependency, but require the reference kernel
         'qtpy>=2.4.0',
-        'pyzmq>=17.1',
         'packaging'
     ],
     extras_require = {