diff --git a/requirements-test.txt b/requirements-test.txt
index 7367acf..dc02b59 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,6 +1,6 @@
 # these are the requirements to run the full test suite.
 -r requirements.txt
 mock==3.0.5
-pytest==4.6.6
+pytest==9.0.3
 pytest-cov==2.7.1
 pytest-mock==1.11.0