diff --git a/chain/filecoin/filecoin_test.go b/chain/filecoin/filecoin_test.go
index 180428ca..a4010ce4 100644
--- a/chain/filecoin/filecoin_test.go
+++ b/chain/filecoin/filecoin_test.go
@@ -32,7 +32,7 @@ var _ = Describe("Filecoin", func() {
 			client, err := filecoin.NewClient(
 				filecoin.DefaultClientOptions().
 					WithRPCURL("ws://127.0.0.1:1234/rpc/v0").
-					WithAuthToken("Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJBbGxvdyI6WyJyZWFkIiwid3JpdGUiLCJzaWduIiwiYWRtaW4iXX0.673MLa4AmbhNeC1Hj2Bn6c4t_ci68I0amkqAEHea8ik"),
+					WithAuthToken(fetchAuthToken()),
 			)
 			Expect(err).ToNot(HaveOccurred())
 
@@ -66,8 +66,13 @@ var _ = Describe("Filecoin", func() {
 			recipientFilAddr, err := filaddress.NewSecp256k1Address(recipientPubKeyCompressed)
 			Expect(err).NotTo(HaveOccurred())
 
+			// get good gas estimates
+			gasLimit := uint64(495335)
+			gasEstimator := filecoin.NewGasEstimator(client, int64(gasLimit))
+			gasFeeCap, gasPremium, err := gasEstimator.EstimateGasPrice(ctx)
+			Expect(err).ToNot(HaveOccurred())
+
 			// construct the transaction builder
-			gasPremium := pack.NewU256FromU64(pack.NewU64(149514))
 			filTxBuilder := filecoin.NewTxBuilder(gasPremium)
 
 			// build the transaction
@@ -77,9 +82,9 @@ var _ = Describe("Filecoin", func() {
 				multichain.Address(pack.String(recipientFilAddr.String())),
 				pack.NewU256FromU64(pack.NewU64(100000000)), // amount
 				pack.NewU256FromU64(pack.NewU64(0)),         // nonce
-				pack.NewU256FromU64(pack.NewU64(495335)),    // gasFeeCap
-				pack.NewU256FromU64(pack.NewU64(149838)),    // gasPrice
-				pack.Bytes(nil),                             // payload
+				pack.NewU256FromU64(pack.NewU64(gasLimit)),  // gasLimit
+				gasFeeCap,       // gasFeeCap
+				pack.Bytes(nil), // payload
 			)
 			Expect(err).ToNot(HaveOccurred())