diff --git a/requirements.txt b/requirements.txt
index 6debf20..45dd9b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +1,15 @@
-langgraph==1.2.7
+langgraph==1.2.9
 # Durable SQLite checkpointer for the R720 agent-team Plane-2 pipeline (design D9).
 langgraph-checkpoint-sqlite==3.1.0
 langchain-anthropic==1.4.8
-langchain-openai==1.3.3
-langchain-google-genai==4.2.6
+langchain-openai==1.3.4
+langchain-google-genai==4.2.7
 langchain-community==0.4.2
 composio-langgraph==0.17.1
 python-dotenv==1.2.2
 # WS1 agent-team HTTP API (agent_team/api.py): FastAPI app + uvicorn ASGI server.
 fastapi==0.139.0
-uvicorn==0.49.0
+uvicorn==0.51.0
 # GitHub App installation-token minting for the agent-team P3 dispatcher
 # (agent_team/github_app.py): RS256 JWT (PyJWT) signed with the App private key,
 # exchanged for a short-lived installation token. cryptography backs RS256.