diff --git a/pyproject.toml b/pyproject.toml
index e13393f..4198230 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [tool.black]
-line-length = 99
+line-length = 100
 skip-string-normalization = true
 extend-exclude = '''
 /(
@@ -22,6 +22,6 @@ include_trailing_comma = true
 force_grid_wrap = 0
 use_parentheses = true
 ensure_newline_before_comments = true
-line_length = 99
+line_length = 100
 skip = [".ipython"]
 remove_redundant_aliases = true