diff --git a/pyproject.toml b/pyproject.toml
index 85c8eee..89c1398 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ api = [
     "uvicorn[standard]>=0.52.4",
     "pydantic>=2.13.4",
     "psycopg[binary]>=3.1",
-    "pgvector>=0.2",
+    "pgvector>=0.5.0",
 ]
 llm = ["anthropic>=0.40"]
 agent = ["glia>=0.8", "anthropic>=0.40"]  # glia-агент (LLM-режим), см. agent.glia_agent