diff --git a/changelog/6340.trivial.rst b/changelog/6340.trivial.rst
new file mode 100644
index 000000000..6debef986
--- /dev/null
+++ b/changelog/6340.trivial.rst
@@ -0,0 +1 @@
+Pin ``colorama`` to ``0.4.1`` as later versions no longer support Python 3.4.
diff --git a/setup.py b/setup.py
index 491a6f554..2e81874e5 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ INSTALL_REQUIRES = [
     "atomicwrites>=1.0",
     'funcsigs>=1.0;python_version<"3.0"',
     'pathlib2>=2.2.0;python_version<"3.6"',
-    'colorama;sys_platform=="win32"',
+    'colorama<=0.4.1;sys_platform=="win32"',
     "pluggy>=0.12,<1.0",
     'importlib-metadata>=0.12;python_version<"3.8"',
     "wcwidth",