diff --git a/logsight/enterprise.py b/logsight/enterprise.py
index a3adc8f..9ea0934 100644
--- a/logsight/enterprise.py
+++ b/logsight/enterprise.py
@@ -144,6 +144,6 @@ def send(self, payload: dict[str, Any]) -> bool:
         )
         try:
             with urllib.request.urlopen(request, timeout=self.timeout) as response:  # nosec B310
-                return 200 <= response.status < 300
+                return bool(200 <= response.status < 300)
         except (OSError, ValueError):
             return False
diff --git a/logsight/storage.py b/logsight/storage.py
index 5c1ca5b..3f1146f 100644
--- a/logsight/storage.py
+++ b/logsight/storage.py
@@ -9,7 +9,7 @@
 import json
 import urllib.parse
 import urllib.request
-from typing import Any
+from typing import Any, cast
 
 
 class ClickHouseStore:
@@ -26,7 +26,7 @@ def execute(self, query: str, data: str | None = None) -> bytes:
             method="POST",
         )
         with urllib.request.urlopen(request, timeout=10) as response:  # nosec B310
-            return response.read()
+            return cast(bytes, response.read())
 
     def insert_events(self, events: list[dict[str, Any]]) -> None:
         if not events:
@@ -52,4 +52,4 @@ def upsert(self, points: list[dict[str, Any]]) -> dict[str, Any]:
             method="PUT",
         )
         with urllib.request.urlopen(request, timeout=10) as response:  # nosec B310
-            return json.loads(response.read().decode())
+            return cast(dict[str, Any], json.loads(response.read().decode()))
diff --git a/pyproject.toml b/pyproject.toml
index 8d4f0a5..12aa3d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,6 +67,8 @@ strict = true
 packages = ["logsight"]
 follow_imports = "skip"
 disallow_untyped_decorators = false
+ignore_missing_imports = true
+warn_unused_ignores = false
 
 [tool.bandit]
 exclude_dirs = ["tests", "work"]