diff --git a/projects/otb/requirements.txt b/projects/otb/requirements.txt
index 6449ade..270dafa 100644
--- a/projects/otb/requirements.txt
+++ b/projects/otb/requirements.txt
@@ -1,6 +1,6 @@
 transformers==4.55.2
 vllm==0.10.0
-litellm[proxy]==1.75.3
+litellm[proxy]==1.83.0
 numpy==2.2.6
 pandas==2.3.1
 pyjson5==1.6.9