diff --git a/docs/requirements.txt b/docs/requirements.txt
index 39fb15a..72eaa5c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,7 @@
 appdirs==1.4.3
 atomicwrites==1.3.0; sys_platform == "win32"
 attrs==19.3.0
-black==23.3.0
+black==26.3.1
 certifi==2022.12.7
 chardet==3.0.4
 click==7.1.2
diff --git a/pyproject.toml b/pyproject.toml
index c242b7d..36800d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ redis = {version = "^3.4.1", optional = true}
 [tool.poetry.dev-dependencies]
 isort = "^4.3.21"
 mypy = "^0.910"
-black = "^23.0.0"
+black = "^26.0.0"
 fastapi = "^0.89.0"
 lxml = "^4.9.1"
 starlette = "^0.22.0"