diff --git a/tox.ini b/tox.ini
index 602679a6..609c2fe1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ deps = -rrequirements-dev.txt
 passenv = *
 commands =
     coverage erase
-    coverage run -m pytest {posargs:tests} --ignore=tests/languages
+    coverage run -m pytest {posargs:tests} --ignore=tests/languages --durations=20
     coverage report --omit=pre_commit/languages/*,tests/languages/*
 
 [testenv:pre-commit]