diff --git a/google/oauth2/id_token.py b/google/oauth2/id_token.py
index 2b1abec2b..e5dda508d 100644
--- a/google/oauth2/id_token.py
+++ b/google/oauth2/id_token.py
@@ -62,7 +62,6 @@
 from google.auth import environment_vars
 from google.auth import exceptions
 from google.auth import jwt
-import google.auth.transport.requests
 
 
 # The URL that provides public certificates for verifying ID tokens issued
@@ -282,6 +281,8 @@ def fetch_id_token_credentials(audience, request=None):
 
         # Create a request object if not provided.
         if not request:
+            import google.auth.transport.requests
+
             request = google.auth.transport.requests.Request()
 
         if _metadata.ping(request):
diff --git a/system_tests/secrets.tar.enc b/system_tests/secrets.tar.enc
index bcb6dec21..61417809c 100644
Binary files a/system_tests/secrets.tar.enc and b/system_tests/secrets.tar.enc differ