diff --git a/dev-requirements.txt b/dev-requirements.txt
index 3b1bbc2..bb0cd63 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,7 +2,7 @@ build==1.3.0
 jupyter_packaging==0.12.3
 flaky==3.8.1
 pre-commit==4.3.0
-pytest==8.4.2
+pytest==9.0.0
 # selenium==4.11.2
 selenium==4.38.0
 traitlets==5.14.3