diff --git a/setup.py b/setup.py
index 35d0642a3..94aac2bf1 100644
--- a/setup.py
+++ b/setup.py
@@ -44,13 +44,10 @@
     ],
     extras_require={
         "test": [
-            "black",
             "botocore",
-            "isort",
             "jsonschema==3.2.0",
             "pre-commit",
-            "pydoclint",
-            "pylint",
+            "pydoclint==0.3.8",
             "pytest",
             "pytest-cov",
             "pytest-rerunfailures",
diff --git a/tox.ini b/tox.ini
index a955bba2e..a0c0ce35f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,7 +54,7 @@ basepython = python3
 skip_install = true
 deps =
     ruff
-    pydoclint
+    pydoclint==0.3.8
 commands =
     ruff check src {posargs}
     pydoclint src -q {posargs}