diff --git a/api/shared/pyproject.toml b/api/shared/pyproject.toml
index 6b6defd..a33c3d6 100644
--- a/api/shared/pyproject.toml
+++ b/api/shared/pyproject.toml
@@ -12,7 +12,7 @@ dev = [
     "pytest>=8.0.0",
     "pytest-cov>=6.0.0",
     "ruff>=0.8.0",
-    "black>=24.0.0",
+    "black>=26.3.1",
 ]
 
 [build-system]