diff --git a/password_generator.py b/password_generator.py
index e43140f..b2649b6 100644
--- a/password_generator.py
+++ b/password_generator.py
@@ -1,9 +1,11 @@
-import random
-import string
 import argparse
+import secrets
+import string
+
 
 def generate_password(length, use_upper, use_lower, use_digits, use_symbols):
     characters = ''
+    illegal_chars = "\"\';{}[]()|\\<>:,"
     if use_upper:
         characters += string.ascii_uppercase
     if use_lower:
@@ -11,12 +13,12 @@ def generate_password(length, use_upper, use_lower, use_digits, use_symbols):
     if use_digits:
         characters += string.digits
     if use_symbols:
-        characters += string.punctuation
+        characters += ''.join(i for i in string.punctuation if i not in illegal_chars)
 
     if not characters:
         raise ValueError("At least one character type must be selected.")
 
-    password = ''.join(random.choice(characters) for _ in range(length))
+    password = ''.join(secrets.choice(characters) for _ in range(length))
     return password
 
 def save_password(password):