diff --git a/pyproject.toml b/pyproject.toml
index 752a7b521c..ee6840099c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
   "asyncio-throttle>=1.0,<=1.0.2",  # Unsure about versioning, but not released often anyway.
   "backoff>=2.1.2,<2.3",  # Looks like only bugfixes in z-Stream.
   "click>=8.1.0,<8.5",  # Uses milestone.feature.fix https://palletsprojects.com/versions .
-  "cryptography>=44.0.3,<49.0",  # SemVer compatible https://cryptography.io/en/latest/api-stability/#versioning .
+  "cryptography>=44.0.3,<50.0",  # SemVer compatible https://cryptography.io/en/latest/api-stability/#versioning .
   "Django>=5.2.0,<5.3",  # LTS version, we aim at supporting one or two at a time.
   "django-filter>=24.3,<=25.2",  # Uses CalVer, not released often https://github.com/carltongibson/django-filter
   "django-guid>=3.4.0,<3.7",  # Looks like only bugfixes in z-Stream.