diff --git a/cubic.go b/cubic.go
index e79a6be..89557e7 100644
--- a/cubic.go
+++ b/cubic.go
@@ -41,16 +41,16 @@ func (circuit *Circuit) Define(api frontend.API) error {
 }
 
 func main() {
-    err := main_impl()
+    err := mainImpl()
     if err != nil {
         fmt.Println(err)
         os.Exit(1)
     }
 }
 
-func main_impl() error {
+func mainImpl() error {
     var myCircuit Circuit
-    r1cs, err := frontend.Compile(ecc.BN254, r1cs.NewBuilder, &myCircuit)
+    r1cs, err := frontend.Compile(ecc.BN254.ScalarField(), r1cs.NewBuilder, &myCircuit)
     if err != nil {
         return err
     }
@@ -59,7 +59,7 @@ func main_impl() error {
         X: "2",
         Y: "15",
     }
-    witness, _ := frontend.NewWitness(assignment, ecc.BN254)
+    witness, _ := frontend.NewWitness(assignment, ecc.BN254.ScalarField())
     publicWitness, _ := witness.Public()
     pk, vk, err := groth16.Setup(r1cs)
     proof, err := groth16.Prove(r1cs, pk, witness)
diff --git a/go.mod b/go.mod
index 9d4e480..cb77b50 100644
--- a/go.mod
+++ b/go.mod
@@ -3,13 +3,17 @@ module cubic
 go 1.19
 
 require (
-	github.com/consensys/gnark v0.7.0 // indirect
-	github.com/consensys/gnark-crypto v0.7.0 // indirect
+	github.com/blang/semver/v4 v4.0.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark v0.7.2-0.20220915193524-b33f88c79af6 // indirect
+	github.com/consensys/gnark-crypto v0.8.1-0.20220819163559-143c75519b0e // indirect
 	github.com/fxamacker/cbor/v2 v2.2.0 // indirect
+	github.com/google/pprof v0.0.0-20220729232143-a41b82acbcb1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.16 // indirect
 	github.com/mmcloughlin/addchain v0.4.0 // indirect
 	github.com/rs/zerolog v1.28.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
 )
diff --git a/go.sum b/go.sum
index 23ecf9d..e6bdffb 100644
--- a/go.sum
+++ b/go.sum
@@ -1,11 +1,23 @@
+github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM=
+github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
+github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ=
+github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
 github.com/consensys/gnark v0.7.0 h1:zyI8zPAhSazrZPeQpKIFUHLgrnAuxI+EDrFLNizKb9I=
 github.com/consensys/gnark v0.7.0/go.mod h1:oQnMurInsfe+9rG4l8qh8AFVihfuRCS5H3XPJH/6HPM=
+github.com/consensys/gnark v0.7.2-0.20220915193524-b33f88c79af6 h1:T19XI5vxnMPOdoyyubM81cYr4MHll0n67EDrRjtA2Pg=
+github.com/consensys/gnark v0.7.2-0.20220915193524-b33f88c79af6/go.mod h1:iN7/IRE6Eu2QKnTJEsoS48suBV0O5XrM+Nzo1ipp6Zw=
 github.com/consensys/gnark-crypto v0.7.0 h1:rwdy8+ssmLYRqKp+ryRRgQJl/rCq2uv+n83cOydm5UE=
 github.com/consensys/gnark-crypto v0.7.0/go.mod h1:KPSuJzyxkJA8xZ/+CV47tyqkr9MmpZA3PXivK4VPrVg=
+github.com/consensys/gnark-crypto v0.7.1-0.20220603201101-938eff486457 h1:GCxBDfMg0bM1ZN2fi3OfywjDDr19N+SThchczg5kqJQ=
+github.com/consensys/gnark-crypto v0.7.1-0.20220603201101-938eff486457/go.mod h1:9pJ7c3Pq7Rnw3iYoZldpbPRRGNJaRz47YgMiaavwyRY=
+github.com/consensys/gnark-crypto v0.8.1-0.20220819163559-143c75519b0e h1:FyL5vcbvCIoD20M4Fvy+TXRbXKjT16gq7Uq0QDkyytM=
+github.com/consensys/gnark-crypto v0.8.1-0.20220819163559-143c75519b0e/go.mod h1:ZTnSzNlt98CpwYIJyk6q/KVcshYWr3fOXXFrrY8a0QQ=
 github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/fxamacker/cbor/v2 v2.2.0 h1:6eXqdDDe588rSYAi1HfZKbx6YYQO4mxQ9eC6xYpU/JQ=
 github.com/fxamacker/cbor/v2 v2.2.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/google/pprof v0.0.0-20220729232143-a41b82acbcb1 h1:8pyqKJvrJqUYaKS851Ule26pwWvey6IDMiczaBLDKLQ=
+github.com/google/pprof v0.0.0-20220729232143-a41b82acbcb1/go.mod h1:gSuNB+gJaOiQKLEZ+q+PK9Mq3SOzhRcw2GsGS/FhYDk=
 github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
 github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
@@ -27,3 +39,5 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec h1:BkDtF2Ih9xZ7le9ndzTA7KJow28VbQW3odyk/8drmuI=
 golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
+rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=