diff --git a/irm_kmi_api/api.py b/irm_kmi_api/api.py
index 645f274..426a7a9 100644
--- a/irm_kmi_api/api.py
+++ b/irm_kmi_api/api.py
@@ -12,7 +12,6 @@ from typing import Dict, List
 from zoneinfo import ZoneInfo
 
 import aiohttp
-import async_timeout
 
 from .pollen import PollenName, PollenLevel
 from .const import MAP_WARNING_ID_TO_SLUG as SLUG_MAP
@@ -125,7 +124,7 @@ class IrmKmiApiClient:
             headers['If-None-Match'] = self._cache[url]['etag']
 
         try:
-            async with async_timeout.timeout(60):
+            async with asyncio.timeout(60):
                 response = await self._session.request(
                     method=method,
                     url=url,
diff --git a/pyproject.toml b/pyproject.toml
index 28a65bf..9a6b603 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,9 +16,8 @@ classifiers = [
 ]
 keywords = ["weather", "weather-api", "netherlands", "weather-forecast", "pollen", "belgium", "luxembourg", "rain-radar"]
 dependencies = [
-    "aiohttp>=3.11.0",
-    "async-timeout>=4.0.3",
-    "svgwrite>=1.4.3",
+    "aiohttp>=3.11.0,<4.0.0",
+    "svgwrite>=1.4.3,<2.0.0",
 ]
 requires-python = ">=3.12"
 
diff --git a/requirements.txt b/requirements.txt
index 5b11229..7fa6bca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,2 @@
-aiohttp>=3.11.0
-async-timeout>=4.0.3
-svgwrite>=1.4.3
\ No newline at end of file
+aiohttp>=3.11.0,<4.0.0
+svgwrite>=1.4.3,<2.0.0
\ No newline at end of file