diff --git a/pyproject.toml b/pyproject.toml
index 8da68ec..9b20cf6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
     "iso8601 >= 0.1.12",
     "setuptools"
 ]
-version = "0.0.4"
+version = "0.0.5"
 
 [tool.setuptools.packages.find]
 where = ["src"]
diff --git a/src/clickhouse_orm/database.py b/src/clickhouse_orm/database.py
index 9a13eba..8d1cdaa 100644
--- a/src/clickhouse_orm/database.py
+++ b/src/clickhouse_orm/database.py
@@ -109,7 +109,7 @@ class Database(object):
         self.db_url = db_url
         self.readonly = False
         self.timeout = timeout
-        self.request_session = httpx.Client(verify=verify_ssl_cert)
+        self.request_session = httpx.Client(verify=verify_ssl_cert, timeout=timeout)
         if username:
             self.request_session.auth = (username, password or '')
         self.log_statements = log_statements
diff --git a/src/clickhouse_orm/query.py b/src/clickhouse_orm/query.py
index a842d1e..b2486dd 100644
--- a/src/clickhouse_orm/query.py
+++ b/src/clickhouse_orm/query.py
@@ -328,6 +328,21 @@ class QuerySet(object):
         self._distinct = False
         self._final = False
 
+    def __deepcopy__(self, memodict={}):
+        obj = type(self)(self._model_cls, self._database)
+        obj._order_by = deepcopy(self._order_by)
+        obj._where_q = deepcopy(self._where_q)
+        obj._prewhere_q = deepcopy(self._prewhere_q)
+        obj._grouping_fields = deepcopy(self._grouping_fields)
+        obj._grouping_with_totals = deepcopy(self._grouping_with_totals)
+        obj._fields = deepcopy(self._fields)
+        obj._limits = deepcopy(self._limits)
+        obj._limit_by = deepcopy(self._limit_by)
+        obj._limit_by_fields = deepcopy(self._limit_by_fields)
+        obj._distinct = deepcopy(self._distinct)
+        obj._final = deepcopy(self._final)
+        return obj
+
     def __iter__(self):
         """
         Iterates over the model instances matching this queryset