diff --git a/pyproject.toml b/pyproject.toml
index e5e61a2..d16bc23 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,7 +58,7 @@ pycountry = ['pycountry>=23']
 semver = ['semver>=3.0.2']
 python_ulid = [
     'python-ulid>=1,<2; python_version<"3.9"',
-    'python-ulid>=1,<3; python_version>="3.9"',
+    'python-ulid>=1,<4; python_version>="3.9"',
 ]
 pendulum = ['pendulum>=3.0.0,<4.0.0']