diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8612b2a..b6e435a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 sphinx
 m2r
-pytest==8.4.1
+pytest==9.0.0
 pytest-mock==3.14.0