diff --git a/utils/indigo-service/backend/service/requirements.txt b/utils/indigo-service/backend/service/requirements.txt
index 0d2a131131..93966b04bd 100644
--- a/utils/indigo-service/backend/service/requirements.txt
+++ b/utils/indigo-service/backend/service/requirements.txt
@@ -4,7 +4,7 @@ flasgger==0.9.7.1
 Flask==2.3.2
 Flask-HTTPAuth==4.8.0
 gunicorn==23.0.0
-marshmallow==3.19.0
+marshmallow==3.26.2
 pyparsing==3.0.9
 psycopg2-binary==2.9.6
 redis==4.5.5