diff --git a/requirements.txt b/requirements.txt
index 8f1c54a..4e156d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ matplotlib==3.10.8
 pillow==12.1.1
 seaborn==0.13.2
 contourpy==1.3.1
-kiwisolver==1.4.8
+kiwisolver==1.4.9
 
 # Database & serialization
 sqlalchemy==2.0.39