diff --git a/pyproject.toml b/pyproject.toml
index c0a4638..cf9179c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ test = [
     "pytest-sugar>=1.1.1",
 ]
 docs = [
-    "black>=23.3.0",
+    "black>=26.3.1",
     "griffe-pydantic",
     "markdown-customblocks",
     "mdx-truly-sane-lists",