diff --git a/requirements.testing.txt b/requirements.testing.txt
index 07a4967..4f6b8b0 100644
--- a/requirements.testing.txt
+++ b/requirements.testing.txt
@@ -1,4 +1,4 @@
 mdtraj
-pytest==8.1.1
+pytest==8.3.3
 codecov==2.1.13
 pytest-cov==5.0.0