diff --git a/requirements.txt b/requirements.txt
index b17abca504f..484c4109dc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,6 +30,7 @@ pyjwt[crypto]==2.9.0
 python-multipart==0.0.18 # admin UI
 Pillow==11.0.0
 azure-ai-contentsafety==1.0.0 # for azure content safety
+semantic_router==0.1.10 # for auto-routing with litellm
 azure-identity==1.16.1 # for azure content safety
 azure-keyvault==4.2.0 # for azure KMS integration
 azure-storage-file-datalake==12.20.0 # for azure buck storage logging