diff --git a/pyproject.toml b/pyproject.toml
index 253d19989..8ebd33778 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,7 +94,8 @@ extend-select = [
     "EXE",   # flake8-executable
     "F",
     "FA",    # flake8-future-annotations
-    "I",
+    "I",     # isort
+    "ISC",   # flake8-implicit-str-concat
     "N",     # pep8-naming
     "PGH",   # pygrep-hooks
     "PYI",   # flake8-pyi