--- pyproject.toml.orig	2020-02-02 00:00:00 UTC
+++ pyproject.toml
@@ -36,7 +36,7 @@ dependencies = [
 requires-python = '>=3.7'
 dependencies = [
     'executing>=1.1.1',
-    'asttokens>=2.0.0,<3.0.0',
+    'asttokens>=2.0.0,<4.0.0',
     'Pygments>=2.15.0',
 ]
 # keep this meaningless group around to avoid breaking installs using `pip install devtools[pygments]`