diff --git a/tools/pylint-extensions/azure-pylint-guidelines-checker/dev_requirements.txt b/tools/pylint-extensions/azure-pylint-guidelines-checker/dev_requirements.txt
index 015dbb1109f..54f4307fc6d 100644
--- a/tools/pylint-extensions/azure-pylint-guidelines-checker/dev_requirements.txt
+++ b/tools/pylint-extensions/azure-pylint-guidelines-checker/dev_requirements.txt
@@ -1,3 +1,3 @@
 pylint==4.0.4
 azure-core
-pytest==7.1.1
\ No newline at end of file
+pytest==9.0.3
\ No newline at end of file