diff --git a/pyproject.toml b/pyproject.toml
index 624b92e..e20592c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ dependencies = [
     "mcp[cli]>=1.27.0,<2.0",
     "psycopg[binary]>=3.1,<4.0",
     "psycopg_pool>=3.2,<4.0",
-    "alembic>=1.13,<2.0",
+    "alembic>=1.18.4,<2.0",
     "sqlalchemy>=2.0,<3.0",
     "PyJWT[crypto]>=2.8,<3.0",
     "argon2-cffi>=23.1,<26.0",