diff --git a/requirements.txt b/requirements.txt
index 5e62f334..7b4daa1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ aiosqlite
 sqlalchemy>=2.0
 cryptography>=48.0.1
 uuid6>=2025.0.1
-alembic>=1.13
+alembic>=1.18.5
 greenlet>=3.0.0
 # MCP 2.x breaks AION handshake (inputSchema -> input_schema) and agent_db @app.list_tools().
 mcp[cli]>=1.23.0,<2.0.0