diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index b6ae977..5d5dda9 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -40,6 +40,7 @@ jobs:
     - script: |
         python -m pip install --upgrade pip
         pip install . .[test]
+        pip install --upgrade pytest<7.1.0,>7.1.0   # 7.1.0 is buggy
       displayName: 'Install dependencies'
 
     - script: |
diff --git a/setup.py b/setup.py
index 4cb20e7..73a6427 100755
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 #  redhat: cairo cairo-dev (tested)
 #  debian: libcairo2-dev ?
 
-test_requires = ['pytest', 'pytest-cov', 'requests_mock']
+test_requires = ['pytest!=7.1.0', 'pytest-cov', 'requests_mock']
 
 setup_requires = ['setuptools_scm', 'cython']