diff --git a/dev_requirements.txt b/dev_requirements.txt
index 7bf7d5c..367873f 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -1,3 +1,3 @@
-pytest==5.3.2
+pytest==9.0.3
 mypy==0.761
 flake8==3.7.9