diff --git a/pyproject.toml b/pyproject.toml
index a50a3a8..55ccda9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
 
 [dependency-groups]
 dev = [
-    "black>=24.1.1",
+    "black>=26.1.0",
     "cogapp",
     "hypothesis",
     "pytest",