diff --git a/setup.py b/setup.py
index 6e08dc9..536eb95 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@
         'typing-extensions~=4.0'
     ],
     tests_require=[
-        'pytest>=7.2.2, <8.4.0',
+        'pytest>=7.2.2, <9.1.0',
         'coverage>=7.2.2, <7.14.0',
         'pytest-cov>=4.0, <6.1',
         'testfixtures>=8.3.0, <= 10.0.0'
diff --git a/test-requirements.txt b/test-requirements.txt
index ec1ebaf..ea32e8e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-pytest>=7.2.2, <8.4.0
+pytest>=7.2.2, <9.1.0
 pytest-mock~=3.14.0
 coverage>=7.2.2, <7.14.0
 testfixtures>=8.3.0, <= 10.0.0