diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0b118cd..6231ccc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,7 +8,7 @@
 # ── Testing ─────────────────────────────────────────────────────────────────
 pytest>=8.0
 pytest-cov>=5.0
-pytest-timeout>=2.3
+pytest-timeout>=2.4.0
 pytest-memray>=1.5; sys_platform != "win32"  # memray has no Windows wheels
 
 # ── Type checking ────────────────────────────────────────────────────────────