diff --git a/python/pyproject.toml b/python/pyproject.toml
index e5a0179..e6f2567 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -154,18 +154,18 @@ all = [
 ]
 
 dev = [
-    "hypothesis==6.122.1",
+    "hypothesis==6.155.1",
     "mypy==1.14.0",
-    "ruff==0.8.4",
+    "ruff==0.15.15",
     # pytest 8.4.2 has CVE-2025-71176; the fix is in 9.0.3. The
     # plugin chain has to bump alongside it: pytest-asyncio 0.25.x
     # caps at pytest<9, and pytest-cov 6.x is similarly old-bound.
     # Bumped together to versions that all advertise pytest<10
     # support so the dev environment stays internally consistent.
     "pytest==9.0.3",
-    "pytest-asyncio==1.3.0",
+    "pytest-asyncio==1.4.0",
     "pytest-cov==7.1.0",
-    "maturin==1.13.1",
+    "maturin==1.13.3",
     "types-PyYAML==6.0.12.20240917",
 ]