diff --git a/requirements-dev.txt b/requirements-dev.txt
index 93c1bf7..1fe3122 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -19,7 +19,7 @@ mypy>=1.11.0
 packaging>=22.0
 # 9.0.3 rather than 8.x: the 8.3.0 floor is affected by CVE-2025-71176
 # (insecure temporary directory handling). Caught by this repo's own audit gate.
-pytest>=9.0.3
+pytest>=9.1.1
 pytest-asyncio>=1.0.0
 pytest_httpserver>=1.1.0
 ruff>=0.6.0