diff --git a/gas/backend.go b/gas/backend.go
index f34c13e7..37f99aae 100644
--- a/gas/backend.go
+++ b/gas/backend.go
@@ -13,6 +13,7 @@ import (
 
 	"github.com/oasisprotocol/oasis-core/go/common/quantity"
 	"github.com/oasisprotocol/oasis-core/go/common/service"
+	"github.com/oasisprotocol/oasis-sdk/client-sdk/go/client"
 	"github.com/oasisprotocol/oasis-sdk/client-sdk/go/modules/core"
 	"github.com/oasisprotocol/oasis-sdk/client-sdk/go/types"
 
@@ -203,7 +204,7 @@ func (g *gasPriceOracle) fetchMinGasPrice(ctx context.Context) {
 	ctx, cancel := context.WithTimeout(ctx, time.Second*10)
 	defer cancel()
 
-	mgp, err := g.coreClient.MinGasPrice(ctx)
+	mgp, err := g.coreClient.MinGasPrice(ctx, client.RoundLatest)
 	if err != nil {
 		g.Logger.Error("node min gas price query failed", "err", err)
 		return
diff --git a/gas/backend_test.go b/gas/backend_test.go
index bc469816..193b1bf9 100644
--- a/gas/backend_test.go
+++ b/gas/backend_test.go
@@ -61,7 +61,7 @@ func (*mockCoreClient) ExecuteReadOnlyTx(_ context.Context, _ uint64, _ *types.U
 }
 
 // MinGasPrice implements core.V1.
-func (m *mockCoreClient) MinGasPrice(_ context.Context) (map[types.Denomination]quantity.Quantity, error) {
+func (m *mockCoreClient) MinGasPrice(_ context.Context, _ uint64) (map[types.Denomination]quantity.Quantity, error) {
 	if m.shouldFail {
 		return nil, fmt.Errorf("failed")
 	}
diff --git a/go.mod b/go.mod
index 82334ee2..26e8ce95 100644
--- a/go.mod
+++ b/go.mod
@@ -21,8 +21,8 @@ require (
 	github.com/gorilla/mux v1.8.1
 	github.com/gorilla/websocket v1.5.3
 	github.com/knadh/koanf v1.5.0
-	github.com/oasisprotocol/oasis-core/go v0.2502.0
-	github.com/oasisprotocol/oasis-sdk/client-sdk/go v0.14.0
+	github.com/oasisprotocol/oasis-core/go v0.2503.0
+	github.com/oasisprotocol/oasis-sdk/client-sdk/go v0.15.0
 	github.com/prometheus/client_golang v1.22.0
 	github.com/rs/cors v1.11.1
 	github.com/spf13/cobra v1.9.1
diff --git a/go.sum b/go.sum
index d1ba53d2..d333e0b5 100644
--- a/go.sum
+++ b/go.sum
@@ -537,10 +537,10 @@ github.com/oasisprotocol/curve25519-voi v0.0.0-20230904125328-1f23a7beb09a h1:dl
 github.com/oasisprotocol/curve25519-voi v0.0.0-20230904125328-1f23a7beb09a/go.mod h1:hVoHR2EVESiICEMbg137etN/Lx+lSrHPTD39Z/uE+2s=
 github.com/oasisprotocol/deoxysii v0.0.0-20220228165953-2091330c22b7 h1:1102pQc2SEPp5+xrS26wEaeb26sZy6k9/ZXlZN+eXE4=
 github.com/oasisprotocol/deoxysii v0.0.0-20220228165953-2091330c22b7/go.mod h1:UqoUn6cHESlliMhOnKLWr+CBH+e3bazUPvFj1XZwAjs=
-github.com/oasisprotocol/oasis-core/go v0.2502.0 h1:B/qr+3HjCF8gN0MmY9Cw9hJ8Em/Lo5Ah8bIi9pgqgDY=
-github.com/oasisprotocol/oasis-core/go v0.2502.0/go.mod h1:0wO1wYzDCNToNemyt/wF+1BjcrSBRyw6MJrWr7LvrJs=
-github.com/oasisprotocol/oasis-sdk/client-sdk/go v0.14.0 h1:QFH193NC5AVgg024xwmOp9UXAygkL4I/HW5lyx2vlhs=
-github.com/oasisprotocol/oasis-sdk/client-sdk/go v0.14.0/go.mod h1:ANKdBwpRAMKDePYb6fg6Sk+qhKpTQmrnl8PsEKrHt9M=
+github.com/oasisprotocol/oasis-core/go v0.2503.0 h1:3Vs45JnvZCYbr5a7xSB9mBV7kna0uzrblJiiQWB5lnI=
+github.com/oasisprotocol/oasis-core/go v0.2503.0/go.mod h1:0wO1wYzDCNToNemyt/wF+1BjcrSBRyw6MJrWr7LvrJs=
+github.com/oasisprotocol/oasis-sdk/client-sdk/go v0.15.0 h1:c+m1aKhT0/hyt3uwh6jl15Rc0TAWRmW0z+BJb0kqQK8=
+github.com/oasisprotocol/oasis-sdk/client-sdk/go v0.15.0/go.mod h1:cLtdOgAtSsVGQAZ1KWCXCgnj9CzNeOOEWUMZB0PIBeA=
 github.com/oklog/run v1.0.0 h1:Ru7dDtJNOyC66gQ5dQmaCa0qIsAUFY3sFpK1Xk8igrw=
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=