diff --git a/setup.cfg b/setup.cfg
index 4abb0f0..222235a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,7 +40,13 @@ install_requires =
 setup_requires = setuptools>=44; setuptools_scm[toml]>=3.4.3
 
 [options.extras_require]
-test = astroid; pytest
+astroid =
+    astroid >=1, <2; python_version < "3"
+    astroid >=2, <3; python_version >= "3"
+test =
+    astroid >=1, <2; python_version < "3"
+    astroid >=2, <3; python_version >= "3"
+    pytest
 
 [options.package_data]
 asttokens = py.typed