diff --git a/pyproject.toml b/pyproject.toml
index 6a5224f..9293244 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["hatchling==1.31.0"]
+requires = ["hatchling==1.32.0"]
 build-backend = "hatchling.build"
 
 [project]
@@ -32,7 +32,7 @@ dependencies = [
 [project.optional-dependencies]
 api = ["httpx>=0.28.1,<1"]
 asgi = ["h11>=0.16,<1"]
-realtime = ["httpx>=0.28.1,<1", "websockets>=16.1.1,<17"]
+realtime = ["httpx>=0.28.1,<1", "websockets>=16.1.1,<18"]
 wsgi = ["h11>=0.16,<1"]
 examples = [
   "aiohttp>=3.14.3,<4",
@@ -55,7 +55,7 @@ dev = [
   "pytest-asyncio>=1.4,<2",
   "ruff>=0.16,<1",
   "trustme>=1.2,<2",
-  "websockets>=16.1.1,<17",
+  "websockets>=16.1.1,<18",
 ]
 
 [project.urls]
diff --git a/scripts/verify_distribution.py b/scripts/verify_distribution.py
index 09a8856..32428bc 100644
--- a/scripts/verify_distribution.py
+++ b/scripts/verify_distribution.py
@@ -14,7 +14,7 @@
 from pathlib import Path
 
 MAX_METADATA_BYTES = 1024 * 1024
-MAX_METADATA_VERSION = (2, 4)
+MAX_METADATA_VERSION = (2, 6)
 METADATA_VERSION_PATTERN = re.compile(r"^(\d+)\.(\d+)$")
 
 
diff --git a/tests/unit/test_distribution_verifier.py b/tests/unit/test_distribution_verifier.py
index 61c5c10..c308801 100644
--- a/tests/unit/test_distribution_verifier.py
+++ b/tests/unit/test_distribution_verifier.py
@@ -40,24 +40,24 @@ def verify(directory: Path) -> subprocess.CompletedProcess[str]:
     )
 
 
-def test_accepts_matching_metadata_2_4(tmp_path: Path) -> None:
-    payload = metadata("2.4")
+def test_accepts_matching_metadata_2_6(tmp_path: Path) -> None:
+    payload = metadata("2.6")
     write_wheel(tmp_path, payload)
     write_sdist(tmp_path, payload)
     result = verify(tmp_path)
     assert result.returncode == 0
     assert result.stdout.strip() == (
-        "verified rstreamlabs-rstream 1.2.3 (metadata 2.4)"
+        "verified rstreamlabs-rstream 1.2.3 (metadata 2.6)"
     )
 
 
-def test_rejects_metadata_newer_than_publisher_support(tmp_path: Path) -> None:
-    payload = metadata("2.5")
+def test_rejects_metadata_with_newer_major_version(tmp_path: Path) -> None:
+    payload = metadata("3.0")
     write_wheel(tmp_path, payload)
     write_sdist(tmp_path, payload)
     result = verify(tmp_path)
     assert result.returncode != 0
-    assert "unsupported Metadata-Version 2.5" in result.stderr
+    assert "unsupported Metadata-Version 3.0" in result.stderr
 
 
 def test_rejects_wheel_and_sdist_version_mismatch(tmp_path: Path) -> None: