diff --git a/llm-daily-summarization/requirements.txt b/llm-daily-summarization/requirements.txt
index 5221bb75..bd5e4cd3 100644
--- a/llm-daily-summarization/requirements.txt
+++ b/llm-daily-summarization/requirements.txt
@@ -2,12 +2,13 @@
 zenml[server]>=0.84.0
 
 # LLM and Agent Framework
+litellm==1.69.1
 langgraph>=0.2.0
 langchain>=0.3.0
 langchain-google-vertexai>=2.0.0
 
 # Observability and Monitoring
-langfuse>=2.0.0
+langfuse==2.60.8
 
 # Google Cloud / Vertex AI
 google-cloud-aiplatform>=1.70.0
@@ -38,4 +39,4 @@ mypy>=1.11.0
 
 # Optional: For enhanced logging and debugging
 rich>=13.0.0
-structlog>=24.0.0
\ No newline at end of file
+structlog>=24.0.0