diff --git a/python/pyproject.toml b/python/pyproject.toml
index eb72978..4637c89 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -45,12 +45,12 @@ exclude = ["test/**", "docs/**"]
 dev = [
     "aiohttp>=3.10.11,<4.0.0",
     "hypothesis>=6.100.0,<7.0.0",
-    "mypy>=1.14.1,<1.15.0",
+    "mypy>=1.14.1,<2.4.0",
     "pytest>=8.3.4,<10.0.0",
-    "pytest-cov>=6.0.0,<7.0.0",
+    "pytest-cov>=6.0.0,<8.0.0",
     "ruff>=0.8.0,<1.0.0",
     "slack-sdk>=3.33.4,<4.0.0",
-    "twine>=6.0.1,<7.0.0",
+    "twine>=6.0.1,<8.0.0",
     "wheel>=0.45.1,<1.0.0",
 ]
 docs = [
@@ -60,7 +60,7 @@ docs = [
 [build-system]
 # Hatchling 1.28 emits Core Metadata 2.5, which Twine 6.2 cannot yet
 # validate. Keep package checks reproducible until Twine adds 2.5 support.
-requires = ["hatchling<1.28"]
+requires = ["hatchling<1.33"]
 build-backend = "hatchling.build"
 
 [tool.ruff]