diff --git a/requirements.txt b/requirements.txt
index 175bed42..3034ea2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Click==8.1.7
 confuse==2.0.1
 desert==2022.9.22
 marshmallow==3.22.0
-marshmallow_oneofschema==3.0.1
+marshmallow_oneofschema==3.1.1
 python-dateutil==2.9.0.post0
 requests==2.32.3
 requests-aws4auth==1.3.1