diff --git a/pyproject.toml b/pyproject.toml
index a6dcdf9..85f6083 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ bz = [
     "scipy>=1",
 ]
 dev = [
-    "black==23.3.0",
+    "black==26.3.1",
     "pre-commit~=3.5",
     "prospector==1.11.0",
     "pytest==7.3.1",