diff --git a/x/auth/signing/sig_verifiable_tx.go b/x/auth/signing/sig_verifiable_tx.go
index 4c6934c1c8..54649a365e 100644
--- a/x/auth/signing/sig_verifiable_tx.go
+++ b/x/auth/signing/sig_verifiable_tx.go
@@ -22,6 +22,7 @@ type Tx interface {
 
 	types.TxWithMemo
 	types.FeeTx
+	types.TxWithTimeoutHeight
 	types.TxWithUnordered
 	types.HasValidateBasic
 }