diff --git a/requirements-testing.txt b/requirements-testing.txt
index d46026c25e..e87ec6e41e 100644
--- a/requirements-testing.txt
+++ b/requirements-testing.txt
@@ -1,7 +1,7 @@
 pytest>=7.2,<9.1
 pytest-runner<6.0.2
 pytest-cov<7.0.1
-flake8-pyproject>=1.2.3,<1.2.4
+flake8-pyproject>=1.2.3,<1.2.5
 nbval<0.11.1
 scipy<1.15.4
 pooch<1.8.3