diff --git a/constraints.txt b/constraints.txt
index 8e7b394..492e0d0 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -16,7 +16,7 @@ black==25.1.0
     # via -r requirements.txt
 certifi==2025.8.3
     # via requests
-charset-normalizer==3.4.2
+charset-normalizer==3.4.3
     # via requests
 click==8.1.8
     # via black