diff --git a/go.mod b/go.mod
index 86c3bc8..7c12128 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,8 @@ go 1.15
 require (
 	github.com/btcsuite/btcd v0.21.0-beta // indirect
 	github.com/edsrzf/mmap-go v1.0.0
-	github.com/yuriy0803/etchash v0.0.0-20210517131846-9a3cc202249e
+	github.com/etclabscore/go-etchash v0.0.0-20210517131846-9a3cc202249e
+  github.com/yuriy0803/etchash@v0.0.0-20230113224804-d6bba643cea9
 	github.com/ethereum/go-ethereum v1.10.3
 	github.com/garyburd/redigo v1.6.2 // indirect
 	github.com/gorilla/mux v1.8.0
diff --git a/go.sum b/go.sum
index d16d1d6..6166c72 100644
--- a/go.sum
+++ b/go.sum
@@ -233,8 +233,6 @@ github.com/graph-gophers/graphql-go v0.0.0-20201113091052-beb923fada29/go.mod h1
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
-github.com/hackmod/ethereum-ethash v0.0.0-20181221122758-d53632c3f91d h1:eV5L9fGrxvVjtokumbnxxC7BIOd1OkDGHyMtov5UpUc=
-github.com/hackmod/ethereum-ethash v0.0.0-20181221122758-d53632c3f91d/go.mod h1:EVWn9m+4GpYFmo9BFPJn5dQJGEXuw+1yPjHo1mnBRQM=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
 github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -410,8 +408,6 @@ github.com/rs/xhandler v0.0.0-20160618193221-ed27b6fd6521/go.mod h1:RvLn4FgxWubr
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ruudk/golang-pdf417 v0.0.0-20181029194003-1af4ab5afa58/go.mod h1:6lfFZQK844Gfx8o5WFuvpxWRwnSoipWe/p622j1v06w=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
-github.com/sammy007/open-ethereum-pool v0.0.0-20171111114927-bcfc0eb0e683 h1:5sGr1dJAyelixsyB3eBjftKl3+cvNeDsIYsFIfTwS78=
-github.com/sammy007/open-ethereum-pool v0.0.0-20171111114927-bcfc0eb0e683/go.mod h1:ceG8iCx4zh1bdt1zplyFb0YQQrAmWcBcClT2Quo7KXQ=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
 github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo=
 github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo=
@@ -746,4 +742,4 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
\ No newline at end of file
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=