diff --git a/pyproject.toml b/pyproject.toml
index 71cbb300..46c41ed0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@
 
 [build-system]
 # swig 4.5 drops the PyInt_* macros used in SWIG/
-requires = ["scikit-build-core>=0.11", "swig>=4.4,<4.5"]
+requires = ["scikit-build-core>=0.11", "swig>=4.4,<4.6"]
 build-backend = "scikit_build_core.build"
 
 [project]