diff --git a/requirements-dev.txt b/requirements-dev.txt
index d693700e..47e1927c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -18,7 +18,7 @@ certifi==2025.8.3 ; python_version >= '3.6'
 
 cffi==1.17.1 ; os_name == 'nt' and implementation_name != 'pypy'
 
-charset-normalizer==3.4.2 ; python_full_version >= '3.7.0'
+charset-normalizer==3.4.3 ; python_full_version >= '3.7.0'
 
 click==8.1.8 ; python_version >= '3.6'