diff --git a/pyproject.toml b/pyproject.toml
index bb7f371..e719c27 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
 
 [project.optional-dependencies]
 release = [
-    "Nuitka==4.1.1",
+    "Nuitka==4.2.1",
 ]
 
 [project.scripts]