diff --git a/requirements.txt b/requirements.txt
index ceeeddd8..2039d167 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,6 @@ numpy>=1.16.1,<2
 pandas==0.24.2
 pbr>=5.4.4,<6
 Pygments>=2.4.2,<3
-pytest>=4.0.0,<5
 scipy>=1.3.0,<2
 Sphinx>=2.4.4,<3
 sphinxcontrib-bibtex>=0.4.2,<1
diff --git a/tox.ini b/tox.ini
index 267351da..f40dfa95 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ skipsdist = True
 [testenv]
 deps =
 	-r{toxinidir}/requirements.txt
+	pytest>=5.0.0,<6
 	cover: pytest-cov
 changedir = {toxinidir}
 usedevelop = True