diff --git a/requirements.txt b/requirements.txt
index 3bc3e99e..f0f28bfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ asynctest==0.13.0 ; python_version >= "3.7" and python_version < "3.8"
 attrs==23.1.0 ; python_version >= "3.7" and python_version < "4.0"
 certifi==2025.8.3 ; python_version >= "3.7" and python_version < "4.0"
 cffi==1.17.1 ; python_version >= "3.7" and python_version < "4.0"
-charset-normalizer==3.4.2 ; python_version >= "3.7" and python_version < "4.0"
+charset-normalizer==3.4.3 ; python_version >= "3.7" and python_version < "4.0"
 click==8.1.8 ; python_version >= "3.7" and python_version < "4.0"
 colorama==0.4.6 ; python_version >= "3.7" and python_version < "4.0" and sys_platform == "win32" or python_version >= "3.7" and python_version < "4.0" and platform_system == "Windows"
 coverage[toml]==7.9.2 ; python_version >= "3.7" and python_version < "4.0"