diff --git a/pyproject.toml b/pyproject.toml
index 32063d6..2eb9fa5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ pycodestyle = [
     {version = "^2.9", python = ">=3.8,<3.12"},
     {version = "^2.11", python = "^3.12"},
 ]
-black = ">=23.1,<26.0" # 26.0 introduces formatting changes, but drops support for Python < 3.10, so pin to version that has consistent formatting across 3.9-3.14
+black = ">=26.3,<26.4" # 26.0 introduces formatting changes, but drops support for Python < 3.10, so pin to version that has consistent formatting across 3.9-3.14
 better-diff = "^0.1.3"
 
 # Additional support libraries