diff --git a/services/kms/src/stackit/kms/api_client.py b/services/kms/src/stackit/kms/api_client.py
index 05fadacae..21fe5b5a1 100644
--- a/services/kms/src/stackit/kms/api_client.py
+++ b/services/kms/src/stackit/kms/api_client.py
@@ -81,7 +81,7 @@ def __init__(self, configuration, header_name=None, header_value=None, cookie=No
             self.default_headers[header_name] = header_value
         self.cookie = cookie
         # Set default User-Agent.
-        self.user_agent = "OpenAPI-Generator/1.0.0/python"
+        self.user_agent = "stackit-sdk-python/kms"
 
     def __enter__(self):
         return self