diff --git a/pyproject.toml b/pyproject.toml
index 2e65e24a6dbb..261eacbf0c94 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,7 +89,7 @@ black = { version = "==23.3.0", extras = ["jupyter"] }
 docformatter = "==1.7.5"
 mypy = "==1.5.1"
 pylint = "==2.13.9"
-flake8 = "==3.9.2"
+flake8 = "==5.0.4"
 pytest = "==7.4.0"
 pytest-cov = "==3.0.0"
 pytest-watch = "==4.2.0"
diff --git a/src/py/flwr/server/state/sqlite_state.py b/src/py/flwr/server/state/sqlite_state.py
index 7bc323f17929..f3ff60f370e9 100644
--- a/src/py/flwr/server/state/sqlite_state.py
+++ b/src/py/flwr/server/state/sqlite_state.py
@@ -146,10 +146,8 @@ def query(
             with self.conn:
                 if (
                     len(data) > 0
-                    # pylint: disable-next=C0123
-                    and (type(data) == tuple or type(data) == list)
-                    # pylint: disable-next=C0123
-                    and (type(data[0]) == tuple or type(data[0]) == dict)
+                    and isinstance(data, (tuple, list))
+                    and isinstance(data[0], (tuple, dict))
                 ):
                     rows = self.conn.executemany(query, data)
                 else: