diff --git a/tox.ini b/tox.ini
index 064c68daa..7f7858cfb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,7 +42,7 @@ changedir = docs
 commands = sphinx-build -E -W -b html source build
 
 [pytest]
-addopts = --tb=short --durations=10 --timeout=300
+addopts = --tb=short --durations=10 --timeout=330
 markers =
     integration
     obolibrary