diff --git a/go.mod b/go.mod
index e2063ae..625db6f 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,12 @@ module github.com/bitcoinschema/go-map
 go 1.23.1
 
 require (
-	github.com/bitcoinschema/go-bob v0.5.0
-	github.com/bitcoinschema/go-bpu v0.2.0
+	github.com/bitcoinschema/go-bob v0.5.1
+	github.com/bitcoinschema/go-bpu v0.2.1
 )
 
 require (
-	github.com/bitcoin-sv/go-sdk v1.1.7 // indirect
+	github.com/bitcoin-sv/go-sdk v1.1.18 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
 )
diff --git a/go.sum b/go.sum
index c991bcb..08b95fb 100644
--- a/go.sum
+++ b/go.sum
@@ -1,18 +1,18 @@
-github.com/bitcoin-sv/go-sdk v1.1.7 h1:JbtaYCGUsHM7HTelLKSJp1NuYiG/xSNOdexjJ6w577A=
-github.com/bitcoin-sv/go-sdk v1.1.7/go.mod h1:NOAkJLbjqKOLuxJmb9ABG86ExTZp4HS8+iygiDIUps4=
-github.com/bitcoinschema/go-bob v0.5.0 h1:Fjl60RuiQiUuZWLfXE8ETdcgmJBHYu9MYfbrbZU7yHs=
-github.com/bitcoinschema/go-bob v0.5.0/go.mod h1:bREtBvZuMKe3DX2oCUSE+LOuy9HDJnOC3qcWr0oLoy4=
-github.com/bitcoinschema/go-bpu v0.2.0 h1:/WI/F+ShIj50HUD1EBPPHTCBzSeiPDohy77W3Y8xx+s=
-github.com/bitcoinschema/go-bpu v0.2.0/go.mod h1:58mg4m1wlQY3TFfvlba7zRs5dTb4O2cqlzRWjcJPLuo=
+github.com/bitcoin-sv/go-sdk v1.1.18 h1:6lMdQGxlLFWysR2O4m8t0FpdEmdvqHIvYjp8+UV8AjI=
+github.com/bitcoin-sv/go-sdk v1.1.18/go.mod h1:E/gP4wd23aa7clO4vYx+xMNwEs/I3shKv5NdwWgNkx8=
+github.com/bitcoinschema/go-bob v0.5.1 h1:pvRX16sAkQRRNBu1UpRnrbd/WX9MKwYEh0LRb7/u9FI=
+github.com/bitcoinschema/go-bob v0.5.1/go.mod h1:z/et0FNbSJobzmU6cQYjByGFNcUfRwgSsqKR9uJOg9k=
+github.com/bitcoinschema/go-bpu v0.2.1 h1:4p4LKa+BtP4Ahv5wFbt/RuQbob3u37CrBSuD1aruSQ0=
+github.com/bitcoinschema/go-bpu v0.2.1/go.mod h1:WhXazKw2p4OIKhkd5A9JgDsaq3a7QRPmqzwCb/835uA=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=
+golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=