diff --git a/pyproject.toml b/pyproject.toml
index 927f387..bb69cbb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ spell_check = ["codespell==2.4.3"]
 coverage = [{ include-group = "tests" }, "coverage==7.15.2"]
 # build/twine are only needed to build & publish this package to PyPI, not by users installing it, so they live
 # here rather than as a pip-installable extra.
-packaging = ["build==1.5.0", "twine==6.2.0"]
+packaging = ["build==1.5.0", "twine==7.0.0"]
 dev = [
     { include-group = "tests" },
     { include-group = "linting" },