diff --git a/pyproject.toml b/pyproject.toml
index 5406339..8f392b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "aioweb_tls"
-version = "0.1.0"
+version = "0.1.1"
 description = "TLS-fingerprinting backends for aioweb — curl_cffi / noble_tls ExtendedSession subclasses, config-free, installable."
 requires-python = ">=3.10"
 dependencies = [
diff --git a/src/aioweb_tls/backends.py b/src/aioweb_tls/backends.py
index 33181fd..f87a834 100644
--- a/src/aioweb_tls/backends.py
+++ b/src/aioweb_tls/backends.py
@@ -12,6 +12,7 @@ this module never fails because an extra is missing.
 """
 
 import logging
+import math
 
 from aioweb import Response
 
@@ -169,7 +170,9 @@ class Noble:
 
         timeout = _coerce_timeout(kwargs.pop("timeout", None))
         if timeout is not None:
-            kwargs["timeout_seconds"] = int(timeout)
+            # noble takes whole seconds; round UP so a sub-second timeout (e.g. 0.5)
+            # doesn't truncate to 0 (which would mean no/instant timeout)
+            kwargs["timeout_seconds"] = max(1, math.ceil(timeout))
 
         proxy = kwargs.pop("proxy", None)
         if proxy: