diff --git a/app.py b/app.py
index 5ab7d43..4df9ec8 100644
--- a/app.py
+++ b/app.py
@@ -13,6 +13,7 @@
 PORT = 5000
 
 import sys
+import importlib.util
 import webbrowser
 
 
@@ -35,9 +36,7 @@ def _check_dependencies():
     }
     missing = []
     for module_name, pip_name in required.items():
-        try:
-            __import__(module_name)
-        except ImportError:
+        if importlib.util.find_spec(module_name) is None:
             missing.append(pip_name)
 
     if missing: