diff --git a/blinkpy/auth.py b/blinkpy/auth.py
index b3d6fe07..bc613879 100644
--- a/blinkpy/auth.py
+++ b/blinkpy/auth.py
@@ -6,7 +6,12 @@
 from urllib3.util.retry import Retry
 from blinkpy import api
 from blinkpy.helpers import util
-from blinkpy.helpers.constants import BLINK_URL, LOGIN_ENDPOINT, TIMEOUT
+from blinkpy.helpers.constants import (
+    BLINK_URL,
+    DEFAULT_USER_AGENT,
+    LOGIN_ENDPOINT,
+    TIMEOUT,
+)
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -53,7 +58,7 @@ def header(self):
         """Return authorization header."""
         if self.token is None:
             return None
-        return {"TOKEN_AUTH": self.token}
+        return {"TOKEN_AUTH": self.token, "user-agent": DEFAULT_USER_AGENT}
 
     def create_session(self, opts=None):
         """Create a session for blink communication."""
diff --git a/tests/test_auth.py b/tests/test_auth.py
index 1c85a6d7..c5c082b6 100644
--- a/tests/test_auth.py
+++ b/tests/test_auth.py
@@ -128,7 +128,7 @@ def test_response_bad_json(self):
     def test_header(self):
         """Test header data."""
         self.auth.token = "bar"
-        expected_header = {"TOKEN_AUTH": "bar"}
+        expected_header = {"TOKEN_AUTH": "bar", "user-agent": const.DEFAULT_USER_AGENT}
         self.assertDictEqual(self.auth.header, expected_header)
 
     def test_header_no_token(self):