diff --git a/api/handlers/signing.go b/api/handlers/signing.go
index 08ac02f0..90047ded 100644
--- a/api/handlers/signing.go
+++ b/api/handlers/signing.go
@@ -37,6 +37,7 @@ type SigningBody struct {
 	DepositTxHash    string       `json:"depositTxHash"`
 	BorrowAmount     *BigInt      `json:"borrowAmount"`
 	RepaymentChainId uint64       `json:"repaymentChainId"`
+	Deadline         uint64       `json:"deadline"`
 }
 
 type SigningHandler struct {
diff --git a/chains/lighter/message/lighter.go b/chains/lighter/message/lighter.go
index c93ddc1d..83bf2b9b 100644
--- a/chains/lighter/message/lighter.go
+++ b/chains/lighter/message/lighter.go
@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"math/big"
 	"strconv"
-	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/libp2p/go-libp2p/core/host"
@@ -26,7 +25,6 @@ import (
 
 var (
 	ARBITRUM_CHAIN_ID = big.NewInt(42161)
-	FILL_DEADLINE     = time.Minute * 5
 )
 
 type Coordinator interface {
@@ -109,8 +107,7 @@ func (h *LighterMessageHandler) HandleMessage(m *message.Message) (*proposal.Pro
 		h.usdcAddress,
 		ARBITRUM_CHAIN_ID,
 		h.lighterAddress,
-		//nolint:gosec
-		uint64(time.Now().Add(FILL_DEADLINE).Unix()),
+		data.Deadline,
 		data.Caller,
 		data.LiquidityPool,
 		data.Nonce)
diff --git a/chains/lighter/message/message.go b/chains/lighter/message/message.go
index 38da4708..ecb0697f 100644
--- a/chains/lighter/message/message.go
+++ b/chains/lighter/message/message.go
@@ -21,6 +21,7 @@ type LighterData struct {
 	Calldata      string
 	Nonce         *big.Int
 	BorrowAmount  *big.Int
+	Deadline      uint64
 	Source        uint64
 	Destination   uint64
 }