diff --git a/pyproject.toml b/pyproject.toml
index f20ab301..0320ad08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ write_to = "python/mtap/version.py"
 
 [project.optional-dependencies]
 test = [
-    "pytest==8.3.5",
+    "pytest==8.4.2",
     "pytest-mock==3.14.0",
     "grpcio-testing==1.67.1",
     "requests==2.32.3",