diff --git a/src/requirements_dev.txt b/src/requirements_dev.txt
index 456458f..6de0a4c 100644
--- a/src/requirements_dev.txt
+++ b/src/requirements_dev.txt
@@ -1,3 +1,3 @@
-pytest
+pytest==9.0.0
 mypy==0.670
 pylint2junit