diff --git a/setup.cfg b/setup.cfg
index 76dd01bd2..6389cce9e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,7 +8,7 @@ parentdir_prefix = dask_cuda-
 
 [flake8]
 exclude = docs, __init__.py, versioneer.py
-max-line-length = 88
+max_line_length = 88
 ignore =
     # Assigning lambda expression
     E731
@@ -22,7 +22,7 @@ ignore =
     E231
 
 [isort]
-line_length=79
+line_length=88
 multi_line_output=3
 include_trailing_comma=True
 force_grid_wrap=0