diff --git a/plot_agent/langgraph_plot_agent/requirements.txt b/plot_agent/langgraph_plot_agent/requirements.txt
index c64d610..3fb613a 100644
--- a/plot_agent/langgraph_plot_agent/requirements.txt
+++ b/plot_agent/langgraph_plot_agent/requirements.txt
@@ -142,7 +142,7 @@ langchain==0.3.25
     #   langchain-community
 langchain-community==0.3.24
     # via -r requirements.in
-langchain-core==0.3.59
+langchain-core==0.3.80
     # via
     #   -r requirements.in
     #   langchain
@@ -166,7 +166,7 @@ langgraph-prebuilt==0.1.8
     # via langgraph
 langgraph-sdk==0.1.69
     # via langgraph
-langsmith==0.3.42
+langsmith==0.3.45
     # via
     #   langchain
     #   langchain-community
@@ -591,7 +591,6 @@ traceloop-sdk==0.40.5
 typing-extensions==4.13.2
     # via
     #   -r requirements.in
-    #   altair
     #   anthropic
     #   fastapi
     #   huggingface-hub
@@ -620,6 +619,8 @@ urllib3==2.4.0
     #   requests
 uvicorn==0.34.2
     # via -r requirements.in
+watchdog==6.0.0
+    # via streamlit
 wrapt==1.17.2
     # via
     #   deprecated