diff --git a/backend/requirements.txt b/backend/requirements.txt
index 3884f10..5df1aa6 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -24,8 +24,8 @@ requests==2.34.2
 websockets==17.1
 # AI assistant (BYO-LLM) — VRL/AI plan B2. anthropic for Claude; openai SDK
 # doubles for OpenAI and any OpenAI-compatible self-hosted endpoint (Ollama/vLLM).
-anthropic==1.5.0
-openai==3.13.0
+anthropic==1.8.0
+openai==3.19.2
 # MCP server (Model Context Protocol) — read-only /mcp endpoint, streamable HTTP.
 # v2 pins mcp-types in lock-step (transitive dep, not listed separately here).
 mcp==2.2.0