diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index a48066f..c96bd87
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@
         "develop": [
             "black<25",
             "ruff<0.2; python_version >= '3.7'",
-            "twine<5",
+            "twine<6",
             "wheel<1",
         ],
         "test": [