diff --git a/.changelog/unreleased/bug-fixes/3378-increase-disposable-key-lifetime.md b/.changelog/unreleased/bug-fixes/3378-increase-disposable-key-lifetime.md
new file mode 100644
index 00000000000..7e7e386c303
--- /dev/null
+++ b/.changelog/unreleased/bug-fixes/3378-increase-disposable-key-lifetime.md
@@ -0,0 +1,2 @@
+- Increase the lifetime of disposable signing keys from 5 minutes to 1 week.
+  ([\#3378](https://github.com/anoma/namada/pull/3378))
\ No newline at end of file
diff --git a/crates/sdk/src/wallet/mod.rs b/crates/sdk/src/wallet/mod.rs
index d071af5ccc6..0b52117be28 100644
--- a/crates/sdk/src/wallet/mod.rs
+++ b/crates/sdk/src/wallet/mod.rs
@@ -35,7 +35,7 @@ pub use self::keys::{DecryptionError, StoredKeypair};
 pub use self::store::{ConfirmationResponse, ValidatorData, ValidatorKeys};
 use crate::wallet::store::{derive_hd_secret_key, derive_hd_spending_key};
 
-const DISPOSABLE_KEY_LIFETIME_IN_SECONDS: i64 = 5 * 60; // 5 minutes
+const DISPOSABLE_KEY_LIFETIME_IN_SECONDS: i64 = 7 * 24 * 60 * 60; // 1 week
 
 /// Captures the interactive parts of the wallet's functioning
 pub trait WalletIo: Sized + Clone {