diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6dad43d4..4409e6ba 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -14,7 +14,7 @@ numba==0.47.0
 sympy==1.5.1
 matplotlib==2.2.2
 
-pytest==5.4.1
+pytest==9.0.3
 pytest-cov==2.7.1
 pytest-runner==2.11.1
 codecov==2.0.15