diff --git a/src/auth.rs b/src/auth.rs
index 0f48f10..6d32bf1 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -59,6 +59,7 @@ impl AuthCommand {
         }?;
 
         let client = reqwest::Client::builder()
+            .user_agent(reqwest::header::HeaderValue::from_str("canvas-cli").unwrap())
             .default_headers(
                 std::iter::once((
                     reqwest::header::AUTHORIZATION,