diff --git a/noxfile.py b/noxfile.py
index c4a8ce4..5b67067 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -105,6 +105,7 @@ def tests(session):
         "pytest-mock",
         "numpy",
         "coverage[toml]",
+        "rich",
     )
     session.run("pytest", *args)
 
@@ -123,6 +124,7 @@ def testsp(session):
         "pytest-mock",
         "numpy",
         "coverage[toml]",
+        "rich",
     )
     session.run("pytest", *args)
 
diff --git a/requirements_dev.txt b/requirements_dev.txt
index c971186..1899515 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -34,3 +34,4 @@ livereload>=2.6.3
 importlib-metadata>=4.2
 mkdocstrings>=0.20.0
 mkdocstrings-python>=1.11.1
+rich>=13.8.1