diff --git a/services/identity/src/constants.rs b/services/identity/src/constants.rs
--- a/services/identity/src/constants.rs
+++ b/services/identity/src/constants.rs
@@ -177,7 +177,7 @@
 // Nonce
 
 pub const NONCE_LENGTH: usize = 17;
-pub const NONCE_TTL_DURATION: Duration = Duration::from_secs(120); // seconds
+pub const NONCE_TTL_DURATION: Duration = Duration::from_secs(900); // seconds
 
 // Device list