diff --git a/pyproject.toml b/pyproject.toml
index ccc8d84..38a9f71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ pymongo = {version = "^4.6.0", optional = true}
 flower = {version = "^2.0.0", optional = true}
 
 [tool.poetry.group.dev.dependencies]
-black = {version = "^24.0.0", allow-prereleases = true}
+black = {version = "^26.0.0", allow-prereleases = true}
 pytest = "^8.0.0"
 pytest-cov = "^5.0.0"
 pytest-custom-exit-code = "^0.3.0"