diff --git a/tests/requirements.txt b/tests/requirements.txt
index 40b25a97..bcb4789c 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,3 +1,3 @@
-pytest<8.1.0  # required by doctestplus
+pytest
 pytest-cov
 pytest-doctestplus