diff --git a/setup.cfg b/setup.cfg
index 7efdeb6..7119ee2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -47,12 +47,14 @@ exclude =
 
 [options.extras_require]
 dev =
-    black[jupyter]
+    black[jupyter]~=23.1; python_version<="3.7"
+    black[jupyter]~=23.12; python_version>"3.7"
     coverage
     coveralls
     flake8
     isort
-    mypy
+    mypy~=1.8.0; python_version>"3.7"
+    mypy~=1.4.0; python_version<="3.7"
     pre-commit
     pytest
     pytest-cov