diff --git a/requirements.txt b/requirements.txt
index 3c96c942..78cad1a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ jsonschema==4.26.0
 jsonschema-path==0.5.0
 jsonschema-specifications==2025.9.1
 lazy-object-proxy==1.12.0
-multidict==6.7.1
+multidict==6.9.1
 numcodecs==0.15.1
 numpy==2.4.6
 openapi-schema-validator==0.9.0