diff --git a/idp/src/main.rs b/idp/src/main.rs
index 67a9bf5..b421b0e 100644
--- a/idp/src/main.rs
+++ b/idp/src/main.rs
@@ -732,7 +732,8 @@ async fn connect_token(
     let id_token_headers = base64::prelude::BASE64_URL_SAFE.encode(
         serde_json::to_string(&json!({
             "typ": "JWT",
-            "alg": "RS256"
+            "alg": "RS256",
+            "kid": "1"
         }))
         .unwrap(),
     );