diff --git a/pyproject.toml b/pyproject.toml
index 1d15ad7d9a23fece8d2321b3f09abba072fa4c6e..5b6351cee76af4b5f20b7ae80f702aa1a6b99707 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,4 @@
 [tool.black]
 line-length=79
 target-version=['py36']
+experimental_string_processing=true