diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5900323..e1c943c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 aiohttp==3.8.4; python_version >= "3.6"
 aiosignal==1.3.1; python_version >= "3.6"
-async-timeout==4.0.2; python_version >= "3.6"
+async-timeout==4.0.3; python_version >= "3.6"
 asynctest==0.13.0; python_version < "3.8" and python_version >= "3.6"
 attrs==23.1.0; python_version >= "3.6"
 charset-normalizer==3.1.0; python_full_version >= "3.6.0" and python_version >= "3.6"