diff --git a/requirements.txt b/requirements.txt
index 7075da2..c1c89bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pytest==5.3.5
+pytest==9.0.3
 biopython==1.72
 pysam==0.15.4
 marshmallow==2.18.1
diff --git a/setup.py b/setup.py
index 9dc2b7a..bc68c01 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
     "vgraph @ git+https://github.com/selfdecode/vgraph.git@v1.4.0#egg=vgraph",
 ]
 setup_requires = ["setuptools_scm==1.15.0", "setuptools_scm_git_archive==1.0"]
-tests_require = ["pytest==5.3.5"]
+tests_require = ["pytest==9.0.3"]
 
 classifiers = """
 Development Status :: 2 - Alpha