diff --git a/clickhouse_mysql/clioptions.py b/clickhouse_mysql/clioptions.py
index 4be23a2..fef6d9e 100644
--- a/clickhouse_mysql/clioptions.py
+++ b/clickhouse_mysql/clioptions.py
@@ -148,6 +148,7 @@ class CLIOptions(Options):
         'dst_table': None,
         'dst_table_prefix': None,
         'dst_create_table': False,
+        'dst_secure_connection': False,
 
         #
         # converters section
@@ -468,6 +469,11 @@ def options(self):
             action='store_true',
             help='Prepare and run CREATE TABLE SQL statement(s).'
         )
+        argparser.add_argument(
+            '--dst-secure-connection',
+            action='store_true',
+            help='Establish secure connection.'
+        )
 
         #
         # converters section
@@ -563,6 +569,7 @@ def options(self):
             'dst_table': args.dst_table,
             'dst_table_prefix': args.dst_table_prefix,
             'dst_create_table': args.dst_create_table,
+            'dst_secure_connection': args.dst_secure_connection,
 
             #
             # converters section
diff --git a/clickhouse_mysql/config.py b/clickhouse_mysql/config.py
index e4551c8..d45c027 100644
--- a/clickhouse_mysql/config.py
+++ b/clickhouse_mysql/config.py
@@ -118,6 +118,7 @@ def __init__(self):
                         'port': self.options.get_int('dst_port'),
                         'user': self.options['dst_user'],
                         'password': self.options['dst_password'],
+                        'secure': self.options['dst_secure_connection'],
                     },
                     'dst_schema': self.options['dst_schema'],
                     'dst_distribute': self.options['dst_distribute'],
@@ -149,6 +150,7 @@ def __init__(self):
                         'port': self.options.get_int('dst_port'),
                         'user': self.options['dst_user'],
                         'password': self.options['dst_password'],
+                        'secure': self.options['dst_secure_connection'],
                     },
                     'dst_schema': self.options['dst_schema'],
                     'dst_distribute': self.options['dst_distribute'],
@@ -196,6 +198,7 @@ def __init__(self):
                         'port': self.options.get_int('dst_port'),
                         'user': self.options['dst_user'],
                         'password': self.options['dst_password'],
+                        'secure': self.options['dst_secure_connection'],
                     },
                     'dst_schema': self.options['dst_schema'],
                     'dst_distribute': self.options['dst_distribute'],
@@ -386,6 +389,7 @@ def writer_builder_chwriter(self):
                 'port': self.config['writer']['clickhouse']['connection_settings']['port'],
                 'user': self.config['writer']['clickhouse']['connection_settings']['user'],
                 'password': self.config['writer']['clickhouse']['connection_settings']['password'],
+                'secure': self.config['writer']['clickhouse']['connection_settings']['secure'],
             },
             'dst_schema': self.config['writer']['clickhouse']['dst_schema'],
             'dst_table': self.config['writer']['clickhouse']['dst_table'],
diff --git a/clickhouse_mysql/dbclient/chclient.py b/clickhouse_mysql/dbclient/chclient.py
index c2a5329..5da124b 100644
--- a/clickhouse_mysql/dbclient/chclient.py
+++ b/clickhouse_mysql/dbclient/chclient.py
@@ -35,6 +35,3 @@ def verify_connection_settings(self, connection_settings):
         if not connection_settings['port']:
             logging.critical("Need CH port in connection settings")
             sys.exit(0)
-
-#self.client = CHClient(connection_settings)
-#self.client.execute(sql, rows)
diff --git a/clickhouse_mysql/writer/chwriter.py b/clickhouse_mysql/writer/chwriter.py
index 587d48f..2439ed9 100644
--- a/clickhouse_mysql/writer/chwriter.py
+++ b/clickhouse_mysql/writer/chwriter.py
@@ -118,7 +118,8 @@ def insert(self, event_or_events=None):
         'host': '192.168.74.230',
         'port': 9000,
         'user': 'default',
-        'passwd': '',
+        'password': '',
+        'secure': False,
     }
 
     writer = CHWriter(connection_settings=connection_settings)
diff --git a/docs/manual.md b/docs/manual.md
index a064842..3025553 100644
--- a/docs/manual.md
+++ b/docs/manual.md
@@ -341,6 +341,7 @@ $PYTHON clickhouse-mysql ${*:1} \
     --src-host=127.0.0.1 \
     --src-user=root \
     --dst-host=127.0.0.1 \
+    --dst-secure-connection \
     --csvpool \
     --csvpool-file-path-prefix=qwe_ \
     --mempool-max-flush-interval=60 \
@@ -357,6 +358,7 @@ Options description
   * `--src-host=127.0.0.1` - MySQL source host
   * `--src-user=root` - MySQL source user (remember about PRIVILEGES for this user)
   * `--dst-host=127.0.0.1` - ClickHouse host
+  * `--dst-secure-connection` - establish secure connection with clickhouse
   * `--csvpool` - make pool of csv files (assumes `--mempool` also)
   * `--csvpool-file-path-prefix=qwe_` - put these CSV files having `qwe_` prefix in `CWD`
   * `--mempool-max-flush-interval=60` - flush mempool at least every 60 seconds
diff --git a/setup.py b/setup.py
index f5be528..45e00d9 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
     name="clickhouse-mysql",
 
     # version should comply with PEP440
-    version='0.0.20200128',
+    version='0.0.20230201',
 
     description='MySQL to ClickHouse data migrator',
     long_description='MySQL to ClickHouse data migrator',