diff --git a/requirements.txt b/requirements.txt
index 9897450..3a405b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ PyYAML>=6.0.3,<7
 # AI, LLM, And Tokenization
 # Provider SDKs, routing layers, MCP support, embeddings, and token counting.
 anthropic
-litellm>=1.83.9,<1.83.10
+litellm>=1.90.0,<1.90.1
 mcp
 openai
 tiktoken