diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2aea22a..497d5ca 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
   hooks:
   - id: pyupgrade
 - repo: https://github.com/PyCQA/isort
-  rev: 5.5.3
+  rev: 5.5.4
   hooks:
   - id: isort
 - repo: https://github.com/ambv/black
@@ -36,7 +36,7 @@ repos:
   hooks:
   - id: rst-backticks
 - repo: https://github.com/tox-dev/tox-ini-fmt
-  rev: "8cbca0caa1e3ea4a7606e974da3966169c375988"
+  rev: "0.2.0"
   hooks:
   - id: tox-ini-fmt
 - repo: https://github.com/asottile/setup-cfg-fmt
@@ -45,7 +45,7 @@ repos:
   - id: setup-cfg-fmt
     args: [--min-py3-version, "3.4"]
 - repo: https://github.com/PyCQA/flake8
-  rev: "master"
+  rev: "3.8.4"
   hooks:
   - id: flake8
     additional_dependencies: ["flake8-bugbear == 20.1.4"]
diff --git a/tox.ini b/tox.ini
index 086793c..d8270ef 100644
--- a/tox.ini
+++ b/tox.ini
@@ -39,8 +39,8 @@ extras =
 commands =
   python -m coverage erase
   python -m coverage run -m pytest \
-  --junitxml {toxworkdir}/junit.{envname}.xml \
-  {posargs:tests --int --timeout 600 -n {env:PYTEST_XDIST:auto}}
+    --junitxml {toxworkdir}/junit.{envname}.xml \
+    {posargs:tests --int --timeout 600 -n {env:PYTEST_XDIST:auto}}
   python -m coverage combine
   python -m coverage report --skip-covered --show-missing
   python -m coverage xml -o {toxworkdir}/coverage.{envname}.xml
@@ -71,6 +71,7 @@ deps =
   coverage>=5.0.1
   diff_cover>=3
 extras =
+parallel_show_output = true
 commands =
   python -m coverage combine
   python -m coverage report --skip-covered --show-missing
@@ -86,7 +87,6 @@ depends =
   py27
   pypy
   pypy3
-parallel_show_output = True
 
 [testenv:readme]
 description = check that the long description is valid (need for PyPI)
@@ -135,6 +135,7 @@ changedir = {toxinidir}/tasks
 
 [testenv:dev]
 description = generate a DEV environment
+usedevelop = true
 deps =
   setuptools_scm[toml]>=3.4
   {[testenv:release]deps}
@@ -144,7 +145,6 @@ extras =
 commands =
   python -m pip list --format=columns
   python -c 'import sys; print(sys.executable)'
-usedevelop = True
 
 [testenv:zipapp]
 description = generate a zipapp