diff --git a/followthemoney/mapping/sql.py b/followthemoney/mapping/sql.py
index d94d8b9c2..37a40adc1 100644
--- a/followthemoney/mapping/sql.py
+++ b/followthemoney/mapping/sql.py
@@ -55,10 +55,7 @@ def __init__(self, query: "QueryMapping", data: Dict[str, Any]) -> None:
         if database is None:
             raise InvalidMapping("No database in SQL mapping!")
         self.database_uri = cast(str, os.path.expandvars(database))
-        kwargs = {}
-        if self.database_uri.lower().startswith("postgres"):
-            kwargs["server_side_cursors"] = True
-        self.engine = create_engine(self.database_uri, poolclass=NullPool, **kwargs)  # type: ignore
+        self.engine = create_engine(self.database_uri, poolclass=NullPool)  
         self.meta = MetaData()
 
         tables = keys_values(data, "table", "tables")
@@ -104,7 +101,7 @@ def records(self) -> Generator[Record, None, None]:
         q = self.compose_query()
         log.info("Query: %s", q)
         with self.engine.connect() as conn:
-            rp = conn.execute(q)
+            rp = conn.execution_options(stream_results=True).execute(q)
             while True:
                 rows = rp.fetchmany(size=DATA_PAGE)
                 if not len(rows):
@@ -124,4 +121,4 @@ def __len__(self) -> int:
         q = self.apply_filters(q)
         with self.engine.connect() as conn:
             rp = conn.execute(q)
-            return int(rp.scalar())
+            return int(rp.scalar() or 0)
diff --git a/setup.py b/setup.py
index 9a140de34..9c1fc65e6 100644
--- a/setup.py
+++ b/setup.py
@@ -34,13 +34,13 @@
         "pyyaml >= 5.0.0, < 7.0.0",
         "types-PyYAML",
         "sqlalchemy2-stubs",
-        "banal >= 1.0.1, < 1.1.0",
+        "banal >= 1.0.6, < 1.1.0",
         "click >= 8.0, < 8.1.7",
         "stringcase >= 1.2.0, < 2.0.0",
         "requests >= 2.21.0, < 3.0.0",
         "python-levenshtein >= 0.12.0, < 1.0.0",
-        "normality >= 2.1.1, < 3.0.0",
-        "sqlalchemy >= 1.2.0, < 3.0.0",
+        "normality >= 2.4.0, < 3.0.0",
+        "sqlalchemy >= 1.4.49, < 3.0.0",
         "countrynames >= 1.13.0, < 2.0.0",
         "languagecodes >= 1.1.0, < 2.0.0",
         "prefixdate >= 0.4.0, < 1.0.0",