diff --git a/pyproject.toml b/pyproject.toml
index d20f2a33b..2108f75b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ dependencies = [
     "opentelemetry-exporter-otlp==1.37.0",
     "opentelemetry-instrumentation-logging>=0.56b0",
     "wrapt==1.17.2", # For patching built-in functions
+    "litellm>=1.83.7,<=1.83.14", # Sync from ADK
     "volcengine-python-sdk>=5.0.1", # For Volcengine API
     "volcengine>=1.0.193", # For Volcengine sign
     "agent-pilot-sdk==0.1.2", # Prompt optimization by Volcengine AgentPilot/PromptPilot toolkits