diff --git a/.gitignore b/.gitignore
index 8f53355..53564e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .idea
+.DS_Store
 out
 gnark-mbu
 gnark-mbu.exe
diff --git a/go.mod b/go.mod
index 0e91c41..8776c53 100644
--- a/go.mod
+++ b/go.mod
@@ -66,7 +66,7 @@ require (
 )
 
 require (
-	github.com/consensys/gnark-crypto v0.9.2
+	github.com/consensys/gnark-crypto v0.9.1
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/fxamacker/cbor/v2 v2.4.0 // indirect
 	github.com/mmcloughlin/addchain v0.4.0 // indirect
@@ -78,5 +78,3 @@ require (
 	golang.org/x/sys v0.23.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
-
-replace github.com/consensys/gnark => github.com/ewoolsey/gnark v0.8.3
diff --git a/go.sum b/go.sum
index 606f295..b0aae08 100644
--- a/go.sum
+++ b/go.sum
@@ -77,8 +77,10 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 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-crypto v0.9.2 h1:a4gsSAnQNgrt8dqxsd49H2rtLQPoekZCWpCmcKPRNus=
-github.com/consensys/gnark-crypto v0.9.2/go.mod h1:a2DQL4+5ywF6safEeZFEPGRiiGbjzGFRUN2sg06VuU4=
+github.com/consensys/gnark v0.8.0 h1:0bQ2MyDG4oNjMQpNyL8HjrrUSSL3yYJg0Elzo6LzmcU=
+github.com/consensys/gnark v0.8.0/go.mod h1:aKmA7dIiLbTm0OV37xTq0z+Bpe4xER8EhRLi6necrm8=
+github.com/consensys/gnark-crypto v0.9.1 h1:mru55qKdWl3E035hAoh1jj9d7hVnYY5pfb6tmovSmII=
+github.com/consensys/gnark-crypto v0.9.1/go.mod h1:a2DQL4+5ywF6safEeZFEPGRiiGbjzGFRUN2sg06VuU4=
 github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
@@ -100,8 +102,6 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/ewoolsey/gnark v0.8.3 h1:DtiaC3tns6Aqux6Y9YpMbgygJOSgHW2Jvl4VoOENaAM=
-github.com/ewoolsey/gnark v0.8.3/go.mod h1:PsGdLgX5nBy9EsDbqBkvTncZbfT69MizMsveGAsHBbo=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fxamacker/cbor/v2 v2.4.0 h1:ri0ArlOR+5XunOP8CRUowT0pSJOwhW098ZCUyskZD88=
 github.com/fxamacker/cbor/v2 v2.4.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=