diff --git a/requirements.txt b/requirements.txt
index 9636228..1cd75a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-pytest==2.7.0
+pytest==9.0.3
 biopython==1.65
 -e git+https://github.com/mutalyzer/crossmapper-legacy.git#egg=crossmapper