diff --git a/homeassistant/components/portainer/__init__.py b/homeassistant/components/portainer/__init__.py
index ad57e66186d6..79f7c02e4ba8 100644
--- a/homeassistant/components/portainer/__init__.py
+++ b/homeassistant/components/portainer/__init__.py
@@ -57,4 +57,9 @@ async def async_migrate_entry(hass: HomeAssistant, entry: PortainerConfigEntry)
         data[CONF_API_TOKEN] = data.pop(CONF_API_KEY)
         hass.config_entries.async_update_entry(entry=entry, data=data, version=2)
 
+    if entry.version < 3:
+        data = dict(entry.data)
+        data[CONF_VERIFY_SSL] = True
+        hass.config_entries.async_update_entry(entry=entry, data=data, version=3)
+
     return True
diff --git a/tests/components/portainer/test_init.py b/tests/components/portainer/test_init.py
index 00b4d5940e93..4e661e225055 100644
--- a/tests/components/portainer/test_init.py
+++ b/tests/components/portainer/test_init.py
@@ -11,7 +11,13 @@ import pytest
 
 from homeassistant.components.portainer.const import DOMAIN
 from homeassistant.config_entries import ConfigEntryState
-from homeassistant.const import CONF_API_KEY, CONF_API_TOKEN, CONF_HOST, CONF_URL
+from homeassistant.const import (
+    CONF_API_KEY,
+    CONF_API_TOKEN,
+    CONF_HOST,
+    CONF_URL,
+    CONF_VERIFY_SSL,
+)
 from homeassistant.core import HomeAssistant
 
 from . import setup_integration
@@ -40,8 +46,8 @@ async def test_setup_exceptions(
     assert mock_config_entry.state == expected_state
 
 
-async def test_v1_migration(hass: HomeAssistant) -> None:
-    """Test migration from v1 to v2 config entry."""
+async def test_migrations(hass: HomeAssistant) -> None:
+    """Test migration from v1 config entry."""
     entry = MockConfigEntry(
         domain=DOMAIN,
         data={
@@ -52,11 +58,14 @@ async def test_v1_migration(hass: HomeAssistant) -> None:
         version=1,
     )
     entry.add_to_hass(hass)
+    assert entry.version == 1
+    assert CONF_VERIFY_SSL not in entry.data
     await hass.config_entries.async_setup(entry.entry_id)
     await hass.async_block_till_done()
 
-    assert entry.version == 2
+    assert entry.version == 3
     assert CONF_HOST not in entry.data
     assert CONF_API_KEY not in entry.data
     assert entry.data[CONF_URL] == "http://test_host"
     assert entry.data[CONF_API_TOKEN] == "test_key"
+    assert entry.data[CONF_VERIFY_SSL] is True