diff --git a/src/charm.py b/src/charm.py
index bed3f58..9a2cc02 100755
--- a/src/charm.py
+++ b/src/charm.py
@@ -424,9 +424,11 @@ class CephDashboardCharm(ops_openstack.core.OSBaseCharm):
                 self.TLS_KEY_PATH)
         self.kick_dashboard()
 
-    def _gen_user_password(self, length: int = 8) -> str:
+    def _gen_user_password(self, length: int = 12) -> str:
         """Generate a password"""
-        alphabet = string.ascii_letters + string.digits
+        alphabet = (
+            string.ascii_lowercase + string.ascii_uppercase + string.digits)
+
         return ''.join(secrets.choice(alphabet) for i in range(length))
 
     def _add_user_action(self, event: ActionEvent) -> None:
diff --git a/unit_tests/test_ceph_dashboard_charm.py b/unit_tests/test_ceph_dashboard_charm.py
index b835c0a..14d226a 100644
--- a/unit_tests/test_ceph_dashboard_charm.py
+++ b/unit_tests/test_ceph_dashboard_charm.py
@@ -470,7 +470,7 @@ class TestCephDashboardCharmBase(CharmTestCase):
         _choice.return_value = 'r'
         self.assertEqual(
             self.harness.charm._gen_user_password(),
-            'rrrrrrrr')
+            'rrrrrrrrrrrr')
 
     @patch.object(charm.tempfile, 'NamedTemporaryFile')
     @patch.object(charm.secrets, 'choice')